25340540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{74531}}^1$

素因数の和:74557

約数の個数: 24

約数和(自身を含む): 56346192

約数和(自身を除く): 31005652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 74531, 149062, 298124, 372655, 745310, 1267027, 1490620, 2534054, 5068108, 6335135, 12670270, 25340540]

約数ペア:

[(1, 25340540), (2, 12670270), (4, 6335135), (5, 5068108), (10, 2534054), (17, 1490620), (20, 1267027), (34, 745310), (68, 372655), (85, 298124), (170, 149062), (340, 74531)]