89849240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{172787}}^1$

素因数の和:172811

約数の個数: 32

約数和(自身を含む): 217712880

約数和(自身を除く): 127863640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 172787, 345574, 691148, 863935, 1382296, 1727870, 2246231, 3455740, 4492462, 6911480, 8984924, 11231155, 17969848, 22462310, 44924620, 89849240]

約数ペア:

[(1, 89849240), (2, 44924620), (4, 22462310), (5, 17969848), (8, 11231155), (10, 8984924), (13, 6911480), (20, 4492462), (26, 3455740), (40, 2246231), (52, 1727870), (65, 1382296), (104, 863935), (130, 691148), (260, 345574), (520, 172787)]