80520525

素因数分解:

$3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{4021}}^1$

素因数の和:4126

約数の個数: 36

約数和(自身を含む): 145877940

約数和(自身を除く): 65357415

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 225, 267, 445, 801, 1335, 2225, 4005, 4021, 6675, 12063, 20025, 20105, 36189, 60315, 100525, 180945, 301575, 357869, 904725, 1073607, 1789345, 3220821, 5368035, 8946725, 16104105, 26840175, 80520525]

約数ペア:

[(1, 80520525), (3, 26840175), (5, 16104105), (9, 8946725), (15, 5368035), (25, 3220821), (45, 1789345), (75, 1073607), (89, 904725), (225, 357869), (267, 301575), (445, 180945), (801, 100525), (1335, 60315), (2225, 36189), (4005, 20105), (4021, 20025), (6675, 12063)]