28620800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:88

約数の個数: 144

約数和(自身を含む): 78198120

約数和(自身を除く): 49577320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 43, 50, 52, 64, 65, 80, 86, 100, 104, 128, 130, 160, 172, 200, 208, 215, 256, 260, 320, 325, 344, 400, 416, 430, 512, 520, 559, 640, 650, 688, 800, 832, 860, 1024, 1040, 1075, 1118, 1280, 1300, 1376, 1600, 1664, 1720, 2048, 2080, 2150, 2236, 2560, 2600, 2752, 2795, 3200, 3328, 3440, 4160, 4300, 4472, 5120, 5200, 5504, 5590, 6400, 6656, 6880, 8320, 8600, 8944, 10240, 10400, 11008, 11180, 12800, 13312, 13760, 13975, 16640, 17200, 17888, 20800, 22016, 22360, 25600, 26624, 27520, 27950, 33280, 34400, 35776, 41600, 44032, 44720, 51200, 55040, 55900, 66560, 68800, 71552, 83200, 88064, 89440, 110080, 111800, 133120, 137600, 143104, 166400, 178880, 220160, 223600, 275200, 286208, 332800, 357760, 440320, 447200, 550400, 572416, 665600, 715520, 894400, 1100800, 1144832, 1431040, 1788800, 2201600, 2862080, 3577600, 5724160, 7155200, 14310400, 28620800]

約数ペア:

[(1, 28620800), (2, 14310400), (4, 7155200), (5, 5724160), (8, 3577600), (10, 2862080), (13, 2201600), (16, 1788800), (20, 1431040), (25, 1144832), (26, 1100800), (32, 894400), (40, 715520), (43, 665600), (50, 572416), (52, 550400), (64, 447200), (65, 440320), (80, 357760), (86, 332800), (100, 286208), (104, 275200), (128, 223600), (130, 220160), (160, 178880), (172, 166400), (200, 143104), (208, 137600), (215, 133120), (256, 111800), (260, 110080), (320, 89440), (325, 88064), (344, 83200), (400, 71552), (416, 68800), (430, 66560), (512, 55900), (520, 55040), (559, 51200), (640, 44720), (650, 44032), (688, 41600), (800, 35776), (832, 34400), (860, 33280), (1024, 27950), (1040, 27520), (1075, 26624), (1118, 25600), (1280, 22360), (1300, 22016), (1376, 20800), (1600, 17888), (1664, 17200), (1720, 16640), (2048, 13975), (2080, 13760), (2150, 13312), (2236, 12800), (2560, 11180), (2600, 11008), (2752, 10400), (2795, 10240), (3200, 8944), (3328, 8600), (3440, 8320), (4160, 6880), (4300, 6656), (4472, 6400), (5120, 5590), (5200, 5504)]