2204560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1621}}^1$

素因数の和:1651

約数の個数: 40

約数和(自身を含む): 5430456

約数和(自身を除く): 3225896

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1621, 3242, 6484, 8105, 12968, 16210, 25936, 27557, 32420, 55114, 64840, 110228, 129680, 137785, 220456, 275570, 440912, 551140, 1102280, 2204560]

約数ペア:

[(1, 2204560), (2, 1102280), (4, 551140), (5, 440912), (8, 275570), (10, 220456), (16, 137785), (17, 129680), (20, 110228), (34, 64840), (40, 55114), (68, 32420), (80, 27557), (85, 25936), (136, 16210), (170, 12968), (272, 8105), (340, 6484), (680, 3242), (1360, 1621)]