8405984990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{361237}}^1$

素因数の和:361436

約数の個数: 32

約数和(自身を含む): 16385755680

約数和(自身を除く): 7979770690

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 179, 358, 895, 1790, 2327, 4654, 11635, 23270, 361237, 722474, 1806185, 3612370, 4696081, 9392162, 23480405, 46960810, 64661423, 129322846, 323307115, 646614230, 840598499, 1681196998, 4202992495, 8405984990]

約数ペア:

[(1, 8405984990), (2, 4202992495), (5, 1681196998), (10, 840598499), (13, 646614230), (26, 323307115), (65, 129322846), (130, 64661423), (179, 46960810), (358, 23480405), (895, 9392162), (1790, 4696081), (2327, 3612370), (4654, 1806185), (11635, 722474), (23270, 361237)]