518246920

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{19841}}^1$

素因数の和:20505

約数の個数: 32

約数和(自身を含む): 1167900120

約数和(自身を除く): 649653200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 13060, 19841, 26120, 39682, 79364, 99205, 158728, 198410, 396820, 793640, 12956173, 25912346, 51824692, 64780865, 103649384, 129561730, 259123460, 518246920]

約数ペア:

[(1, 518246920), (2, 259123460), (4, 129561730), (5, 103649384), (8, 64780865), (10, 51824692), (20, 25912346), (40, 12956173), (653, 793640), (1306, 396820), (2612, 198410), (3265, 158728), (5224, 99205), (6530, 79364), (13060, 39682), (19841, 26120)]