40619680

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1999}}^1$

素因数の和:2141

約数の個数: 48

約数和(自身を含む): 96768000

約数和(自身を除く): 56148320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 1999, 2032, 2540, 3998, 4064, 5080, 7996, 9995, 10160, 15992, 19990, 20320, 31984, 39980, 63968, 79960, 159920, 253873, 319840, 507746, 1015492, 1269365, 2030984, 2538730, 4061968, 5077460, 8123936, 10154920, 20309840, 40619680]

約数ペア:

[(1, 40619680), (2, 20309840), (4, 10154920), (5, 8123936), (8, 5077460), (10, 4061968), (16, 2538730), (20, 2030984), (32, 1269365), (40, 1015492), (80, 507746), (127, 319840), (160, 253873), (254, 159920), (508, 79960), (635, 63968), (1016, 39980), (1270, 31984), (1999, 20320), (2032, 19990), (2540, 15992), (3998, 10160), (4064, 9995), (5080, 7996)]