8401580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38189}}^1$

素因数の和:38209

約数の個数: 24

約数和(自身を含む): 19247760

約数和(自身を除く): 10846180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 38189, 76378, 152756, 190945, 381890, 420079, 763780, 840158, 1680316, 2100395, 4200790, 8401580]

約数ペア:

[(1, 8401580), (2, 4200790), (4, 2100395), (5, 1680316), (10, 840158), (11, 763780), (20, 420079), (22, 381890), (44, 190945), (55, 152756), (110, 76378), (220, 38189)]