31726960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20873}}^1$

素因数の和:20905

約数の個数: 40

約数和(自身を含む): 77651280

約数和(自身を除く): 45924320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 20873, 41746, 83492, 104365, 166984, 208730, 333968, 396587, 417460, 793174, 834920, 1586348, 1669840, 1982935, 3172696, 3965870, 6345392, 7931740, 15863480, 31726960]

約数ペア:

[(1, 31726960), (2, 15863480), (4, 7931740), (5, 6345392), (8, 3965870), (10, 3172696), (16, 1982935), (19, 1669840), (20, 1586348), (38, 834920), (40, 793174), (76, 417460), (80, 396587), (95, 333968), (152, 208730), (190, 166984), (304, 104365), (380, 83492), (760, 41746), (1520, 20873)]