89784040

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3931}}^1$

素因数の和:4513

約数の個数: 32

約数和(自身を含む): 202419360

約数和(自身を除く): 112635320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 3931, 4568, 5710, 7862, 11420, 15724, 19655, 22840, 31448, 39310, 78620, 157240, 2244601, 4489202, 8978404, 11223005, 17956808, 22446010, 44892020, 89784040]

約数ペア:

[(1, 89784040), (2, 44892020), (4, 22446010), (5, 17956808), (8, 11223005), (10, 8978404), (20, 4489202), (40, 2244601), (571, 157240), (1142, 78620), (2284, 39310), (2855, 31448), (3931, 22840), (4568, 19655), (5710, 15724), (7862, 11420)]