425178260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{1987}}^1$

素因数の和:2832

約数の個数: 48

約数和(自身を含む): 963209856

約数和(自身を除く): 538031596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 823, 1646, 1987, 3292, 3974, 4115, 7948, 8230, 9935, 10699, 16460, 19870, 21398, 25831, 39740, 42796, 51662, 53495, 103324, 106990, 129155, 213980, 258310, 516620, 1635301, 3270602, 6541204, 8176505, 16353010, 21258913, 32706020, 42517826, 85035652, 106294565, 212589130, 425178260]

約数ペア:

[(1, 425178260), (2, 212589130), (4, 106294565), (5, 85035652), (10, 42517826), (13, 32706020), (20, 21258913), (26, 16353010), (52, 8176505), (65, 6541204), (130, 3270602), (260, 1635301), (823, 516620), (1646, 258310), (1987, 213980), (3292, 129155), (3974, 106990), (4115, 103324), (7948, 53495), (8230, 51662), (9935, 42796), (10699, 39740), (16460, 25831), (19870, 21398)]