208088680

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{31151}}^1$

素因数の和:31329

約数の個数: 32

約数和(自身を含む): 471018240

約数和(自身を除く): 262929560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 31151, 62302, 124604, 155755, 249208, 311510, 623020, 1246040, 5202217, 10404434, 20808868, 26011085, 41617736, 52022170, 104044340, 208088680]

約数ペア:

[(1, 208088680), (2, 104044340), (4, 52022170), (5, 41617736), (8, 26011085), (10, 20808868), (20, 10404434), (40, 5202217), (167, 1246040), (334, 623020), (668, 311510), (835, 249208), (1336, 155755), (1670, 124604), (3340, 62302), (6680, 31151)]