131614160

素因数分解:

$2^4\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1999}}^1$

素因数の和:2835

約数の個数: 40

約数和(自身を含む): 306528000

約数和(自身を除く): 174913840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 823, 1646, 1999, 3292, 3998, 4115, 6584, 7996, 8230, 9995, 13168, 15992, 16460, 19990, 31984, 32920, 39980, 65840, 79960, 159920, 1645177, 3290354, 6580708, 8225885, 13161416, 16451770, 26322832, 32903540, 65807080, 131614160]

約数ペア:

[(1, 131614160), (2, 65807080), (4, 32903540), (5, 26322832), (8, 16451770), (10, 13161416), (16, 8225885), (20, 6580708), (40, 3290354), (80, 1645177), (823, 159920), (1646, 79960), (1999, 65840), (3292, 39980), (3998, 32920), (4115, 31984), (6584, 19990), (7996, 16460), (8230, 15992), (9995, 13168)]