155455120

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12377}}^1$

素因数の和:12547

約数の個数: 40

約数和(自身を含む): 363764664

約数和(自身を除く): 208309544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12377, 12560, 24754, 49508, 61885, 99016, 123770, 198032, 247540, 495080, 990160, 1943189, 3886378, 7772756, 9715945, 15545512, 19431890, 31091024, 38863780, 77727560, 155455120]

約数ペア:

[(1, 155455120), (2, 77727560), (4, 38863780), (5, 31091024), (8, 19431890), (10, 15545512), (16, 9715945), (20, 7772756), (40, 3886378), (80, 1943189), (157, 990160), (314, 495080), (628, 247540), (785, 198032), (1256, 123770), (1570, 99016), (2512, 61885), (3140, 49508), (6280, 24754), (12377, 12560)]