56289640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127931}}^1$

素因数の和:127953

約数の個数: 32

約数和(自身を含む): 138166560

約数和(自身を除く): 81876920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 127931, 255862, 511724, 639655, 1023448, 1279310, 1407241, 2558620, 2814482, 5117240, 5628964, 7036205, 11257928, 14072410, 28144820, 56289640]

約数ペア:

[(1, 56289640), (2, 28144820), (4, 14072410), (5, 11257928), (8, 7036205), (10, 5628964), (11, 5117240), (20, 2814482), (22, 2558620), (40, 1407241), (44, 1279310), (55, 1023448), (88, 639655), (110, 511724), (220, 255862), (440, 127931)]