650380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1049}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 1411200

約数和(自身を除く): 760820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1049, 2098, 4196, 5245, 10490, 20980, 32519, 65038, 130076, 162595, 325190, 650380]

約数ペア:

[(1, 650380), (2, 325190), (4, 162595), (5, 130076), (10, 65038), (20, 32519), (31, 20980), (62, 10490), (124, 5245), (155, 4196), (310, 2098), (620, 1049)]