77240420

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{14251}}^1$

素因数の和:14531

約数の個数: 24

約数和(自身を含む): 162814848

約数和(自身を除く): 85574428

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 14251, 28502, 57004, 71255, 142510, 285020, 3862021, 7724042, 15448084, 19310105, 38620210, 77240420]

約数ペア:

[(1, 77240420), (2, 38620210), (4, 19310105), (5, 15448084), (10, 7724042), (20, 3862021), (271, 285020), (542, 142510), (1084, 71255), (1355, 57004), (2710, 28502), (5420, 14251)]