31199610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79999}}^1$

素因数の和:80022

約数の個数: 32

約数和(自身を含む): 80640000

約数和(自身を除く): 49440390

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 79999, 159998, 239997, 399995, 479994, 799990, 1039987, 1199985, 2079974, 2399970, 3119961, 5199935, 6239922, 10399870, 15599805, 31199610]

約数ペア:

[(1, 31199610), (2, 15599805), (3, 10399870), (5, 6239922), (6, 5199935), (10, 3119961), (13, 2399970), (15, 2079974), (26, 1199985), (30, 1039987), (39, 799990), (65, 479994), (78, 399995), (130, 239997), (195, 159998), (390, 79999)]