25309940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{74441}}^1$

素因数の和:74467

約数の個数: 24

約数和(自身を含む): 56278152

約数和(自身を除く): 30968212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 74441, 148882, 297764, 372205, 744410, 1265497, 1488820, 2530994, 5061988, 6327485, 12654970, 25309940]

約数ペア:

[(1, 25309940), (2, 12654970), (4, 6327485), (5, 5061988), (10, 2530994), (17, 1488820), (20, 1265497), (34, 744410), (68, 372205), (85, 297764), (170, 148882), (340, 74441)]