42180440

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5521}}^1$

素因数の和:5723

約数の個数: 32

約数和(自身を含む): 95420160

約数和(自身を除く): 53239720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 5521, 7640, 11042, 22084, 27605, 44168, 55210, 110420, 220840, 1054511, 2109022, 4218044, 5272555, 8436088, 10545110, 21090220, 42180440]

約数ペア:

[(1, 42180440), (2, 21090220), (4, 10545110), (5, 8436088), (8, 5272555), (10, 4218044), (20, 2109022), (40, 1054511), (191, 220840), (382, 110420), (764, 55210), (955, 44168), (1528, 27605), (1910, 22084), (3820, 11042), (5521, 7640)]