1611804560

素因数分解:

$2^4\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{19889}}^1$

素因数の和:20915

約数の個数: 40

約数和(自身を含む): 3751333560

約数和(自身を除く): 2139529000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1013, 2026, 4052, 5065, 8104, 10130, 16208, 19889, 20260, 39778, 40520, 79556, 81040, 99445, 159112, 198890, 318224, 397780, 795560, 1591120, 20147557, 40295114, 80590228, 100737785, 161180456, 201475570, 322360912, 402951140, 805902280, 1611804560]

約数ペア:

[(1, 1611804560), (2, 805902280), (4, 402951140), (5, 322360912), (8, 201475570), (10, 161180456), (16, 100737785), (20, 80590228), (40, 40295114), (80, 20147557), (1013, 1591120), (2026, 795560), (4052, 397780), (5065, 318224), (8104, 198890), (10130, 159112), (16208, 99445), (19889, 81040), (20260, 79556), (39778, 40520)]