90510800

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{3187}}^1$

素因数の和:3276

約数の個数: 60

約数和(自身を含む): 220584096

約数和(自身を除く): 130073296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 2840, 3187, 3550, 5680, 6374, 7100, 12748, 14200, 15935, 25496, 28400, 31870, 50992, 63740, 79675, 127480, 159350, 226277, 254960, 318700, 452554, 637400, 905108, 1131385, 1274800, 1810216, 2262770, 3620432, 4525540, 5656925, 9051080, 11313850, 18102160, 22627700, 45255400, 90510800]

約数ペア:

[(1, 90510800), (2, 45255400), (4, 22627700), (5, 18102160), (8, 11313850), (10, 9051080), (16, 5656925), (20, 4525540), (25, 3620432), (40, 2262770), (50, 1810216), (71, 1274800), (80, 1131385), (100, 905108), (142, 637400), (200, 452554), (284, 318700), (355, 254960), (400, 226277), (568, 159350), (710, 127480), (1136, 79675), (1420, 63740), (1775, 50992), (2840, 31870), (3187, 28400), (3550, 25496), (5680, 15935), (6374, 14200), (7100, 12748)]