25001020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{10331}}^1$

素因数の和:10362

約数の個数: 36

約数和(自身を含む): 57714552

約数和(自身を除く): 32713532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 10331, 20662, 41324, 51655, 103310, 113641, 206620, 227282, 454564, 568205, 1136410, 1250051, 2272820, 2500102, 5000204, 6250255, 12500510, 25001020]

約数ペア:

[(1, 25001020), (2, 12500510), (4, 6250255), (5, 5000204), (10, 2500102), (11, 2272820), (20, 1250051), (22, 1136410), (44, 568205), (55, 454564), (110, 227282), (121, 206620), (220, 113641), (242, 103310), (484, 51655), (605, 41324), (1210, 20662), (2420, 10331)]