66400952360

素因数分解:

$2^3\times 5^1\times {\mathrm{6361}}^1\times {\mathrm{260969}}^1$

素因数の和:267341

約数の個数: 32

約数和(自身を含む): 149426202600

約数和(自身を除く): 83025250240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6361, 12722, 25444, 31805, 50888, 63610, 127220, 254440, 260969, 521938, 1043876, 1304845, 2087752, 2609690, 5219380, 10438760, 1660023809, 3320047618, 6640095236, 8300119045, 13280190472, 16600238090, 33200476180, 66400952360]

約数ペア:

[(1, 66400952360), (2, 33200476180), (4, 16600238090), (5, 13280190472), (8, 8300119045), (10, 6640095236), (20, 3320047618), (40, 1660023809), (6361, 10438760), (12722, 5219380), (25444, 2609690), (31805, 2087752), (50888, 1304845), (63610, 1043876), (127220, 521938), (254440, 260969)]