7905820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2339}}^1$

素因数の和:2374

約数の個数: 36

約数和(自身を含む): 17985240

約数和(自身を除く): 10079420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2339, 3380, 4678, 9356, 11695, 23390, 30407, 46780, 60814, 121628, 152035, 304070, 395291, 608140, 790582, 1581164, 1976455, 3952910, 7905820]

約数ペア:

[(1, 7905820), (2, 3952910), (4, 1976455), (5, 1581164), (10, 790582), (13, 608140), (20, 395291), (26, 304070), (52, 152035), (65, 121628), (130, 60814), (169, 46780), (260, 30407), (338, 23390), (676, 11695), (845, 9356), (1690, 4678), (2339, 3380)]