126462920

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{3121}}^1$

素因数の和:4145

約数の個数: 32

約数和(自身を含む): 284913720

約数和(自身を除く): 158450800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 2026, 3121, 4052, 5065, 6242, 8104, 10130, 12484, 15605, 20260, 24968, 31210, 40520, 62420, 124840, 3161573, 6323146, 12646292, 15807865, 25292584, 31615730, 63231460, 126462920]

約数ペア:

[(1, 126462920), (2, 63231460), (4, 31615730), (5, 25292584), (8, 15807865), (10, 12646292), (20, 6323146), (40, 3161573), (1013, 124840), (2026, 62420), (3121, 40520), (4052, 31210), (5065, 24968), (6242, 20260), (8104, 15605), (10130, 12484)]