31008080

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1171}}^1$

素因数の和:1515

約数の個数: 40

約数和(自身を含む): 72373344

約数和(自身を除く): 41365264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1171, 1324, 1655, 2342, 2648, 3310, 4684, 5296, 5855, 6620, 9368, 11710, 13240, 18736, 23420, 26480, 46840, 93680, 387601, 775202, 1550404, 1938005, 3100808, 3876010, 6201616, 7752020, 15504040, 31008080]

約数ペア:

[(1, 31008080), (2, 15504040), (4, 7752020), (5, 6201616), (8, 3876010), (10, 3100808), (16, 1938005), (20, 1550404), (40, 775202), (80, 387601), (331, 93680), (662, 46840), (1171, 26480), (1324, 23420), (1655, 18736), (2342, 13240), (2648, 11710), (3310, 9368), (4684, 6620), (5296, 5855)]