30945080

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1723}}^1$

素因数の和:2183

約数の個数: 32

約数和(自身を含む): 69822000

約数和(自身を除く): 38876920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1723, 1796, 2245, 3446, 3592, 4490, 6892, 8615, 8980, 13784, 17230, 17960, 34460, 68920, 773627, 1547254, 3094508, 3868135, 6189016, 7736270, 15472540, 30945080]

約数ペア:

[(1, 30945080), (2, 15472540), (4, 7736270), (5, 6189016), (8, 3868135), (10, 3094508), (20, 1547254), (40, 773627), (449, 68920), (898, 34460), (1723, 17960), (1796, 17230), (2245, 13784), (3446, 8980), (3592, 8615), (4490, 6892)]