66148830520

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{2442719}}^1$

素因数の和:2443407

約数の個数: 32

約数和(自身を含む): 149054774400

約数和(自身を除く): 82905943880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 1354, 2708, 3385, 5416, 6770, 13540, 27080, 2442719, 4885438, 9770876, 12213595, 19541752, 24427190, 48854380, 97708760, 1653720763, 3307441526, 6614883052, 8268603815, 13229766104, 16537207630, 33074415260, 66148830520]

約数ペア:

[(1, 66148830520), (2, 33074415260), (4, 16537207630), (5, 13229766104), (8, 8268603815), (10, 6614883052), (20, 3307441526), (40, 1653720763), (677, 97708760), (1354, 48854380), (2708, 24427190), (3385, 19541752), (5416, 12213595), (6770, 9770876), (13540, 4885438), (27080, 2442719)]