157037680

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12503}}^1$

素因数の和:12673

約数の個数: 40

約数和(自身を含む): 367467552

約数和(自身を除く): 210429872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12503, 12560, 25006, 50012, 62515, 100024, 125030, 200048, 250060, 500120, 1000240, 1962971, 3925942, 7851884, 9814855, 15703768, 19629710, 31407536, 39259420, 78518840, 157037680]

約数ペア:

[(1, 157037680), (2, 78518840), (4, 39259420), (5, 31407536), (8, 19629710), (10, 15703768), (16, 9814855), (20, 7851884), (40, 3925942), (80, 1962971), (157, 1000240), (314, 500120), (628, 250060), (785, 200048), (1256, 125030), (1570, 100024), (2512, 62515), (3140, 50012), (6280, 25006), (12503, 12560)]