2040958040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4638541}}^1$

素因数の和:4638563

約数の個数: 32

約数和(自身を含む): 5009625360

約数和(自身を除く): 2968667320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4638541, 9277082, 18554164, 23192705, 37108328, 46385410, 51023951, 92770820, 102047902, 185541640, 204095804, 255119755, 408191608, 510239510, 1020479020, 2040958040]

約数ペア:

[(1, 2040958040), (2, 1020479020), (4, 510239510), (5, 408191608), (8, 255119755), (10, 204095804), (11, 185541640), (20, 102047902), (22, 92770820), (40, 51023951), (44, 46385410), (55, 37108328), (88, 23192705), (110, 18554164), (220, 9277082), (440, 4638541)]