31250780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{142049}}^1$

素因数の和:142069

約数の個数: 24

約数和(自身を含む): 71593200

約数和(自身を除く): 40342420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 142049, 284098, 568196, 710245, 1420490, 1562539, 2840980, 3125078, 6250156, 7812695, 15625390, 31250780]

約数ペア:

[(1, 31250780), (2, 15625390), (4, 7812695), (5, 6250156), (10, 3125078), (11, 2840980), (20, 1562539), (22, 1420490), (44, 710245), (55, 568196), (110, 284098), (220, 142049)]