801020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{331}}^1$

素因数の和:362

約数の個数: 36

約数和(自身を含む): 1854552

約数和(自身を除く): 1053532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 331, 484, 605, 662, 1210, 1324, 1655, 2420, 3310, 3641, 6620, 7282, 14564, 18205, 36410, 40051, 72820, 80102, 160204, 200255, 400510, 801020]

約数ペア:

[(1, 801020), (2, 400510), (4, 200255), (5, 160204), (10, 80102), (11, 72820), (20, 40051), (22, 36410), (44, 18205), (55, 14564), (110, 7282), (121, 6620), (220, 3641), (242, 3310), (331, 2420), (484, 1655), (605, 1324), (662, 1210)]