1235540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 2617440

約数和(自身を除く): 1381900

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 379, 652, 758, 815, 1516, 1630, 1895, 3260, 3790, 7580, 61777, 123554, 247108, 308885, 617770, 1235540]

約数ペア:

[(1, 1235540), (2, 617770), (4, 308885), (5, 247108), (10, 123554), (20, 61777), (163, 7580), (326, 3790), (379, 3260), (652, 1895), (758, 1630), (815, 1516)]