128537960

素因数分解:

$2^3\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{3023}}^1$

素因数の和:4097

約数の個数: 32

約数和(自身を含む): 289578240

約数和(自身を除く): 161040280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1063, 2126, 3023, 4252, 5315, 6046, 8504, 10630, 12092, 15115, 21260, 24184, 30230, 42520, 60460, 120920, 3213449, 6426898, 12853796, 16067245, 25707592, 32134490, 64268980, 128537960]

約数ペア:

[(1, 128537960), (2, 64268980), (4, 32134490), (5, 25707592), (8, 16067245), (10, 12853796), (20, 6426898), (40, 3213449), (1063, 120920), (2126, 60460), (3023, 42520), (4252, 30230), (5315, 24184), (6046, 21260), (8504, 15115), (10630, 12092)]