156928040

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{4423}}^1$

素因数の和:5321

約数の個数: 32

約数和(自身を含む): 353566080

約数和(自身を除く): 196638040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1774, 3548, 4423, 4435, 7096, 8846, 8870, 17692, 17740, 22115, 35384, 35480, 44230, 88460, 176920, 3923201, 7846402, 15692804, 19616005, 31385608, 39232010, 78464020, 156928040]

約数ペア:

[(1, 156928040), (2, 78464020), (4, 39232010), (5, 31385608), (8, 19616005), (10, 15692804), (20, 7846402), (40, 3923201), (887, 176920), (1774, 88460), (3548, 44230), (4423, 35480), (4435, 35384), (7096, 22115), (8846, 17740), (8870, 17692)]