72253820

素因数分解:

$2^2\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{3217}}^1$

素因数の和:4349

約数の個数: 24

約数和(自身を含む): 151915344

約数和(自身を除く): 79661524

約数列:

[1, 2, 4, 5, 10, 20, 1123, 2246, 3217, 4492, 5615, 6434, 11230, 12868, 16085, 22460, 32170, 64340, 3612691, 7225382, 14450764, 18063455, 36126910, 72253820]

約数ペア:

[(1, 72253820), (2, 36126910), (4, 18063455), (5, 14450764), (10, 7225382), (20, 3612691), (1123, 64340), (2246, 32170), (3217, 22460), (4492, 16085), (5615, 12868), (6434, 11230)]