404303920

素因数分解:

$2^4\times 5^1\times {\mathrm{1367}}^1\times {\mathrm{3697}}^1$

素因数の和:5077

約数の個数: 40

約数和(自身を含む): 940948704

約数和(自身を除く): 536644784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1367, 2734, 3697, 5468, 6835, 7394, 10936, 13670, 14788, 18485, 21872, 27340, 29576, 36970, 54680, 59152, 73940, 109360, 147880, 295760, 5053799, 10107598, 20215196, 25268995, 40430392, 50537990, 80860784, 101075980, 202151960, 404303920]

約数ペア:

[(1, 404303920), (2, 202151960), (4, 101075980), (5, 80860784), (8, 50537990), (10, 40430392), (16, 25268995), (20, 20215196), (40, 10107598), (80, 5053799), (1367, 295760), (2734, 147880), (3697, 109360), (5468, 73940), (6835, 59152), (7394, 54680), (10936, 36970), (13670, 29576), (14788, 27340), (18485, 21872)]