17779840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2137}}^1$

素因数の和:2169

約数の個数: 64

約数和(自身を含む): 45795960

約数和(自身を除く): 28016120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 2137, 4160, 4274, 8320, 8548, 10685, 17096, 21370, 27781, 34192, 42740, 55562, 68384, 85480, 111124, 136768, 138905, 170960, 222248, 273536, 277810, 341920, 444496, 555620, 683840, 888992, 1111240, 1367680, 1777984, 2222480, 3555968, 4444960, 8889920, 17779840]

約数ペア:

[(1, 17779840), (2, 8889920), (4, 4444960), (5, 3555968), (8, 2222480), (10, 1777984), (13, 1367680), (16, 1111240), (20, 888992), (26, 683840), (32, 555620), (40, 444496), (52, 341920), (64, 277810), (65, 273536), (80, 222248), (104, 170960), (128, 138905), (130, 136768), (160, 111124), (208, 85480), (260, 68384), (320, 55562), (416, 42740), (520, 34192), (640, 27781), (832, 21370), (1040, 17096), (1664, 10685), (2080, 8548), (2137, 8320), (4160, 4274)]