201376760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{387263}}^1$

素因数の和:387287

約数の個数: 32

約数和(自身を含む): 487952640

約数和(自身を除く): 286575880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 387263, 774526, 1549052, 1936315, 3098104, 3872630, 5034419, 7745260, 10068838, 15490520, 20137676, 25172095, 40275352, 50344190, 100688380, 201376760]

約数ペア:

[(1, 201376760), (2, 100688380), (4, 50344190), (5, 40275352), (8, 25172095), (10, 20137676), (13, 15490520), (20, 10068838), (26, 7745260), (40, 5034419), (52, 3872630), (65, 3098104), (104, 1936315), (130, 1549052), (260, 774526), (520, 387263)]