56109820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3221}}^1$

素因数の和:3310

約数の個数: 48

約数和(自身を含む): 128828448

約数和(自身を除く): 72718628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3221, 3484, 4355, 6442, 8710, 12884, 16105, 17420, 32210, 41873, 64420, 83746, 167492, 209365, 215807, 418730, 431614, 837460, 863228, 1079035, 2158070, 2805491, 4316140, 5610982, 11221964, 14027455, 28054910, 56109820]

約数ペア:

[(1, 56109820), (2, 28054910), (4, 14027455), (5, 11221964), (10, 5610982), (13, 4316140), (20, 2805491), (26, 2158070), (52, 1079035), (65, 863228), (67, 837460), (130, 431614), (134, 418730), (260, 215807), (268, 209365), (335, 167492), (670, 83746), (871, 64420), (1340, 41873), (1742, 32210), (3221, 17420), (3484, 16105), (4355, 12884), (6442, 8710)]