56131640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{10243}}^1$

素因数の和:10391

約数の個数: 32

約数和(自身を含む): 127230480

約数和(自身を除く): 71098840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 10243, 20486, 40972, 51215, 81944, 102430, 204860, 409720, 1403291, 2806582, 5613164, 7016455, 11226328, 14032910, 28065820, 56131640]

約数ペア:

[(1, 56131640), (2, 28065820), (4, 14032910), (5, 11226328), (8, 7016455), (10, 5613164), (20, 2806582), (40, 1403291), (137, 409720), (274, 204860), (548, 102430), (685, 81944), (1096, 51215), (1370, 40972), (2740, 20486), (5480, 10243)]