90740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 205800

約数和(自身を除く): 115060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 349, 698, 1396, 1745, 3490, 4537, 6980, 9074, 18148, 22685, 45370, 90740]

約数ペア:

[(1, 90740), (2, 45370), (4, 22685), (5, 18148), (10, 9074), (13, 6980), (20, 4537), (26, 3490), (52, 1745), (65, 1396), (130, 698), (260, 349)]