65959940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{557}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 143990784

約数和(自身を除く): 78030844

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 191, 310, 382, 557, 620, 764, 955, 1114, 1910, 2228, 2785, 3820, 5570, 5921, 11140, 11842, 17267, 23684, 29605, 34534, 59210, 69068, 86335, 106387, 118420, 172670, 212774, 345340, 425548, 531935, 1063870, 2127740, 3297997, 6595994, 13191988, 16489985, 32979970, 65959940]

約数ペア:

[(1, 65959940), (2, 32979970), (4, 16489985), (5, 13191988), (10, 6595994), (20, 3297997), (31, 2127740), (62, 1063870), (124, 531935), (155, 425548), (191, 345340), (310, 212774), (382, 172670), (557, 118420), (620, 106387), (764, 86335), (955, 69068), (1114, 59210), (1910, 34534), (2228, 29605), (2785, 23684), (3820, 17267), (5570, 11842), (5921, 11140)]