89097980

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{5413}}^1$

素因数の和:6245

約数の個数: 24

約数和(自身を含む): 187367712

約数和(自身を除く): 98269732

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 3292, 4115, 5413, 8230, 10826, 16460, 21652, 27065, 54130, 108260, 4454899, 8909798, 17819596, 22274495, 44548990, 89097980]

約数ペア:

[(1, 89097980), (2, 44548990), (4, 22274495), (5, 17819596), (10, 8909798), (20, 4454899), (823, 108260), (1646, 54130), (3292, 27065), (4115, 21652), (5413, 16460), (8230, 10826)]