131093680

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{11789}}^1$

素因数の和:11941

約数の個数: 40

約数和(自身を含む): 307011600

約数和(自身を除く): 175917920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 11789, 23578, 47156, 58945, 94312, 117890, 188624, 235780, 471560, 943120, 1638671, 3277342, 6554684, 8193355, 13109368, 16386710, 26218736, 32773420, 65546840, 131093680]

約数ペア:

[(1, 131093680), (2, 65546840), (4, 32773420), (5, 26218736), (8, 16386710), (10, 13109368), (16, 8193355), (20, 6554684), (40, 3277342), (80, 1638671), (139, 943120), (278, 471560), (556, 235780), (695, 188624), (1112, 117890), (1390, 94312), (2224, 58945), (2780, 47156), (5560, 23578), (11120, 11789)]