2045603920

素因数分解:

$2^4\times 5^1\times {\mathrm{3329}}^1\times {\mathrm{7681}}^1$

素因数の和:11023

約数の個数: 40

約数和(自身を含む): 4758077160

約数和(自身を除く): 2712473240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3329, 6658, 7681, 13316, 15362, 16645, 26632, 30724, 33290, 38405, 53264, 61448, 66580, 76810, 122896, 133160, 153620, 266320, 307240, 614480, 25570049, 51140098, 102280196, 127850245, 204560392, 255700490, 409120784, 511400980, 1022801960, 2045603920]

約数ペア:

[(1, 2045603920), (2, 1022801960), (4, 511400980), (5, 409120784), (8, 255700490), (10, 204560392), (16, 127850245), (20, 102280196), (40, 51140098), (80, 25570049), (3329, 614480), (6658, 307240), (7681, 266320), (13316, 153620), (15362, 133160), (16645, 122896), (26632, 76810), (30724, 66580), (33290, 61448), (38405, 53264)]