80452660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{2393}}^1$

素因数の和:2484

約数の個数: 36

約数和(自身を含む): 173244204

約数和(自身を除く): 92791544

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1681, 2393, 3362, 4786, 6724, 8405, 9572, 11965, 16810, 23930, 33620, 47860, 98113, 196226, 392452, 490565, 981130, 1962260, 4022633, 8045266, 16090532, 20113165, 40226330, 80452660]

約数ペア:

[(1, 80452660), (2, 40226330), (4, 20113165), (5, 16090532), (10, 8045266), (20, 4022633), (41, 1962260), (82, 981130), (164, 490565), (205, 392452), (410, 196226), (820, 98113), (1681, 47860), (2393, 33620), (3362, 23930), (4786, 16810), (6724, 11965), (8405, 9572)]