51475840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:324

約数の個数: 128

約数和(自身を含む): 138801600

約数和(自身を除く): 87325760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 208, 230, 260, 269, 299, 320, 368, 416, 460, 520, 538, 598, 640, 736, 832, 920, 1040, 1076, 1196, 1345, 1472, 1495, 1664, 1840, 2080, 2152, 2392, 2690, 2944, 2990, 3497, 3680, 4160, 4304, 4784, 5380, 5980, 6187, 6994, 7360, 8320, 8608, 9568, 10760, 11960, 12374, 13988, 14720, 17216, 17485, 19136, 21520, 23920, 24748, 27976, 30935, 34432, 34970, 38272, 43040, 47840, 49496, 55952, 61870, 69940, 80431, 86080, 95680, 98992, 111904, 123740, 139880, 160862, 172160, 191360, 197984, 223808, 247480, 279760, 321724, 395968, 402155, 447616, 494960, 559520, 643448, 791936, 804310, 989920, 1119040, 1286896, 1608620, 1979840, 2238080, 2573792, 3217240, 3959680, 5147584, 6434480, 10295168, 12868960, 25737920, 51475840]

約数ペア:

[(1, 51475840), (2, 25737920), (4, 12868960), (5, 10295168), (8, 6434480), (10, 5147584), (13, 3959680), (16, 3217240), (20, 2573792), (23, 2238080), (26, 1979840), (32, 1608620), (40, 1286896), (46, 1119040), (52, 989920), (64, 804310), (65, 791936), (80, 643448), (92, 559520), (104, 494960), (115, 447616), (128, 402155), (130, 395968), (160, 321724), (184, 279760), (208, 247480), (230, 223808), (260, 197984), (269, 191360), (299, 172160), (320, 160862), (368, 139880), (416, 123740), (460, 111904), (520, 98992), (538, 95680), (598, 86080), (640, 80431), (736, 69940), (832, 61870), (920, 55952), (1040, 49496), (1076, 47840), (1196, 43040), (1345, 38272), (1472, 34970), (1495, 34432), (1664, 30935), (1840, 27976), (2080, 24748), (2152, 23920), (2392, 21520), (2690, 19136), (2944, 17485), (2990, 17216), (3497, 14720), (3680, 13988), (4160, 12374), (4304, 11960), (4784, 10760), (5380, 9568), (5980, 8608), (6187, 8320), (6994, 7360)]