90129650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{138661}}^1$

素因数の和:138686

約数の個数: 24

約数和(自身を含む): 180537924

約数和(自身を除く): 90408274

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 138661, 277322, 693305, 1386610, 1802593, 3466525, 3605186, 6933050, 9012965, 18025930, 45064825, 90129650]

約数ペア:

[(1, 90129650), (2, 45064825), (5, 18025930), (10, 9012965), (13, 6933050), (25, 3605186), (26, 3466525), (50, 1802593), (65, 1386610), (130, 693305), (325, 277322), (650, 138661)]