42566920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1087}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 105753600

約数和(自身を除く): 63186680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1087, 1780, 1958, 2174, 3560, 3916, 4348, 4895, 5435, 7832, 8696, 9790, 10870, 11957, 19580, 21740, 23914, 39160, 43480, 47828, 59785, 95656, 96743, 119570, 193486, 239140, 386972, 478280, 483715, 773944, 967430, 1064173, 1934860, 2128346, 3869720, 4256692, 5320865, 8513384, 10641730, 21283460, 42566920]

約数ペア:

[(1, 42566920), (2, 21283460), (4, 10641730), (5, 8513384), (8, 5320865), (10, 4256692), (11, 3869720), (20, 2128346), (22, 1934860), (40, 1064173), (44, 967430), (55, 773944), (88, 483715), (89, 478280), (110, 386972), (178, 239140), (220, 193486), (356, 119570), (440, 96743), (445, 95656), (712, 59785), (890, 47828), (979, 43480), (1087, 39160), (1780, 23914), (1958, 21740), (2174, 19580), (3560, 11957), (3916, 10870), (4348, 9790), (4895, 8696), (5435, 7832)]