25057010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{631}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 52011072

約数和(自身を除く): 26954062

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 361, 418, 631, 722, 1045, 1262, 1805, 2090, 3155, 3610, 3971, 6310, 6941, 7942, 11989, 13882, 19855, 23978, 34705, 39710, 59945, 69410, 119890, 131879, 227791, 263758, 455582, 659395, 1138955, 1318790, 2277910, 2505701, 5011402, 12528505, 25057010]

約数ペア:

[(1, 25057010), (2, 12528505), (5, 5011402), (10, 2505701), (11, 2277910), (19, 1318790), (22, 1138955), (38, 659395), (55, 455582), (95, 263758), (110, 227791), (190, 131879), (209, 119890), (361, 69410), (418, 59945), (631, 39710), (722, 34705), (1045, 23978), (1262, 19855), (1805, 13882), (2090, 11989), (3155, 7942), (3610, 6941), (3971, 6310)]