55669840

素因数分解:

$2^4\times 5^1\times {\mathrm{695873}}^1$

素因数の和:695886

約数の個数: 20

約数和(自身を含む): 129432564

約数和(自身を除く): 73762724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 695873, 1391746, 2783492, 3479365, 5566984, 6958730, 11133968, 13917460, 27834920, 55669840]

約数ペア:

[(1, 55669840), (2, 27834920), (4, 13917460), (5, 11133968), (8, 6958730), (10, 5566984), (16, 3479365), (20, 2783492), (40, 1391746), (80, 695873)]