43420000

素因数分解:

$2^5\times 5^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:210

約数の個数: 120

約数和(自身を含む): 115725456

約数和(自身を除く): 72305456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 160, 167, 200, 208, 250, 260, 325, 334, 400, 416, 500, 520, 625, 650, 668, 800, 835, 1000, 1040, 1250, 1300, 1336, 1625, 1670, 2000, 2080, 2171, 2500, 2600, 2672, 3250, 3340, 4000, 4175, 4342, 5000, 5200, 5344, 6500, 6680, 8125, 8350, 8684, 10000, 10400, 10855, 13000, 13360, 16250, 16700, 17368, 20000, 20875, 21710, 26000, 26720, 32500, 33400, 34736, 41750, 43420, 52000, 54275, 65000, 66800, 69472, 83500, 86840, 104375, 108550, 130000, 133600, 167000, 173680, 208750, 217100, 260000, 271375, 334000, 347360, 417500, 434200, 542750, 668000, 835000, 868400, 1085500, 1356875, 1670000, 1736800, 2171000, 2713750, 3340000, 4342000, 5427500, 8684000, 10855000, 21710000, 43420000]

約数ペア:

[(1, 43420000), (2, 21710000), (4, 10855000), (5, 8684000), (8, 5427500), (10, 4342000), (13, 3340000), (16, 2713750), (20, 2171000), (25, 1736800), (26, 1670000), (32, 1356875), (40, 1085500), (50, 868400), (52, 835000), (65, 668000), (80, 542750), (100, 434200), (104, 417500), (125, 347360), (130, 334000), (160, 271375), (167, 260000), (200, 217100), (208, 208750), (250, 173680), (260, 167000), (325, 133600), (334, 130000), (400, 108550), (416, 104375), (500, 86840), (520, 83500), (625, 69472), (650, 66800), (668, 65000), (800, 54275), (835, 52000), (1000, 43420), (1040, 41750), (1250, 34736), (1300, 33400), (1336, 32500), (1625, 26720), (1670, 26000), (2000, 21710), (2080, 20875), (2171, 20000), (2500, 17368), (2600, 16700), (2672, 16250), (3250, 13360), (3340, 13000), (4000, 10855), (4175, 10400), (4342, 10000), (5000, 8684), (5200, 8350), (5344, 8125), (6500, 6680)]