42176620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 90994176

約数和(自身を除く): 48817556

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 181, 191, 244, 305, 362, 382, 610, 724, 764, 905, 955, 1220, 1810, 1910, 3620, 3820, 11041, 11651, 22082, 23302, 34571, 44164, 46604, 55205, 58255, 69142, 110410, 116510, 138284, 172855, 220820, 233020, 345710, 691420, 2108831, 4217662, 8435324, 10544155, 21088310, 42176620]

約数ペア:

[(1, 42176620), (2, 21088310), (4, 10544155), (5, 8435324), (10, 4217662), (20, 2108831), (61, 691420), (122, 345710), (181, 233020), (191, 220820), (244, 172855), (305, 138284), (362, 116510), (382, 110410), (610, 69142), (724, 58255), (764, 55205), (905, 46604), (955, 44164), (1220, 34571), (1810, 23302), (1910, 22082), (3620, 11651), (3820, 11041)]