81862010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{264071}}^1$

素因数の和:264109

約数の個数: 16

約数和(自身を含む): 152105472

約数和(自身を除く): 70243462

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 264071, 528142, 1320355, 2640710, 8186201, 16372402, 40931005, 81862010]

約数ペア:

[(1, 81862010), (2, 40931005), (5, 16372402), (10, 8186201), (31, 2640710), (62, 1320355), (155, 528142), (310, 264071)]