73439140

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{9157}}^1$

素因数の和:9567

約数の個数: 24

約数和(自身を含む): 154623672

約数和(自身を除く): 81184532

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 9157, 18314, 36628, 45785, 91570, 183140, 3671957, 7343914, 14687828, 18359785, 36719570, 73439140]

約数ペア:

[(1, 73439140), (2, 36719570), (4, 18359785), (5, 14687828), (10, 7343914), (20, 3671957), (401, 183140), (802, 91570), (1604, 45785), (2005, 36628), (4010, 18314), (8020, 9157)]