91403240

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{10247}}^1$

素因数の和:10481

約数の個数: 32

約数和(自身を含む): 206599680

約数和(自身を除く): 115196440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 10247, 20494, 40988, 51235, 81976, 102470, 204940, 409880, 2285081, 4570162, 9140324, 11425405, 18280648, 22850810, 45701620, 91403240]

約数ペア:

[(1, 91403240), (2, 45701620), (4, 22850810), (5, 18280648), (8, 11425405), (10, 9140324), (20, 4570162), (40, 2285081), (223, 409880), (446, 204940), (892, 102470), (1115, 81976), (1784, 51235), (2230, 40988), (4460, 20494), (8920, 10247)]