25307810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12109}}^1$

素因数の和:12146

約数の個数: 32

約数和(自身を含む): 52315200

約数和(自身を除く): 27007390

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 12109, 24218, 60545, 121090, 133199, 230071, 266398, 460142, 665995, 1150355, 1331990, 2300710, 2530781, 5061562, 12653905, 25307810]

約数ペア:

[(1, 25307810), (2, 12653905), (5, 5061562), (10, 2530781), (11, 2300710), (19, 1331990), (22, 1150355), (38, 665995), (55, 460142), (95, 266398), (110, 230071), (190, 133199), (209, 121090), (418, 60545), (1045, 24218), (2090, 12109)]