40919530

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2118

約数の個数: 32

約数和(自身を含む): 77760000

約数和(自身を除く): 36840470

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 1999, 2047, 3998, 4094, 9995, 10235, 19990, 20470, 45977, 91954, 177911, 229885, 355822, 459770, 889555, 1779110, 4091953, 8183906, 20459765, 40919530]

約数ペア:

[(1, 40919530), (2, 20459765), (5, 8183906), (10, 4091953), (23, 1779110), (46, 889555), (89, 459770), (115, 355822), (178, 229885), (230, 177911), (445, 91954), (890, 45977), (1999, 20470), (2047, 19990), (3998, 10235), (4094, 9995)]