1119360040

素因数分解:

$2^3\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{13999}}^1$

素因数の和:16009

約数の個数: 32

約数和(自身を含む): 2520000000

約数和(自身を除く): 1400639960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1999, 3998, 7996, 9995, 13999, 15992, 19990, 27998, 39980, 55996, 69995, 79960, 111992, 139990, 279980, 559960, 27984001, 55968002, 111936004, 139920005, 223872008, 279840010, 559680020, 1119360040]

約数ペア:

[(1, 1119360040), (2, 559680020), (4, 279840010), (5, 223872008), (8, 139920005), (10, 111936004), (20, 55968002), (40, 27984001), (1999, 559960), (3998, 279980), (7996, 139990), (9995, 111992), (13999, 79960), (15992, 69995), (19990, 55996), (27998, 39980)]