138944000

素因数分解:

$2^9\times 5^3\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 375350976

約数和(自身を除く): 236406976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 167, 200, 208, 250, 256, 260, 320, 325, 334, 400, 416, 500, 512, 520, 640, 650, 668, 800, 832, 835, 1000, 1040, 1280, 1300, 1336, 1600, 1625, 1664, 1670, 2000, 2080, 2171, 2560, 2600, 2672, 3200, 3250, 3328, 3340, 4000, 4160, 4175, 4342, 5200, 5344, 6400, 6500, 6656, 6680, 8000, 8320, 8350, 8684, 10400, 10688, 10855, 12800, 13000, 13360, 16000, 16640, 16700, 17368, 20800, 20875, 21376, 21710, 26000, 26720, 32000, 33280, 33400, 34736, 41600, 41750, 42752, 43420, 52000, 53440, 54275, 64000, 66800, 69472, 83200, 83500, 85504, 86840, 104000, 106880, 108550, 133600, 138944, 166400, 167000, 173680, 208000, 213760, 217100, 267200, 271375, 277888, 334000, 347360, 416000, 427520, 434200, 534400, 542750, 555776, 668000, 694720, 832000, 868400, 1068800, 1085500, 1111552, 1336000, 1389440, 1736800, 2137600, 2171000, 2672000, 2778880, 3473600, 4342000, 5344000, 5557760, 6947200, 8684000, 10688000, 13894400, 17368000, 27788800, 34736000, 69472000, 138944000]

約数ペア:

[(1, 138944000), (2, 69472000), (4, 34736000), (5, 27788800), (8, 17368000), (10, 13894400), (13, 10688000), (16, 8684000), (20, 6947200), (25, 5557760), (26, 5344000), (32, 4342000), (40, 3473600), (50, 2778880), (52, 2672000), (64, 2171000), (65, 2137600), (80, 1736800), (100, 1389440), (104, 1336000), (125, 1111552), (128, 1085500), (130, 1068800), (160, 868400), (167, 832000), (200, 694720), (208, 668000), (250, 555776), (256, 542750), (260, 534400), (320, 434200), (325, 427520), (334, 416000), (400, 347360), (416, 334000), (500, 277888), (512, 271375), (520, 267200), (640, 217100), (650, 213760), (668, 208000), (800, 173680), (832, 167000), (835, 166400), (1000, 138944), (1040, 133600), (1280, 108550), (1300, 106880), (1336, 104000), (1600, 86840), (1625, 85504), (1664, 83500), (1670, 83200), (2000, 69472), (2080, 66800), (2171, 64000), (2560, 54275), (2600, 53440), (2672, 52000), (3200, 43420), (3250, 42752), (3328, 41750), (3340, 41600), (4000, 34736), (4160, 33400), (4175, 33280), (4342, 32000), (5200, 26720), (5344, 26000), (6400, 21710), (6500, 21376), (6656, 20875), (6680, 20800), (8000, 17368), (8320, 16700), (8350, 16640), (8684, 16000), (10400, 13360), (10688, 13000), (10855, 12800)]