1680346040

素因数分解:

$2^3\times 5^1\times {\mathrm{3329}}^1\times {\mathrm{12619}}^1$

素因数の和:15959

約数の個数: 32

約数和(自身を含む): 3782214000

約数和(自身を除く): 2101867960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3329, 6658, 12619, 13316, 16645, 25238, 26632, 33290, 50476, 63095, 66580, 100952, 126190, 133160, 252380, 504760, 42008651, 84017302, 168034604, 210043255, 336069208, 420086510, 840173020, 1680346040]

約数ペア:

[(1, 1680346040), (2, 840173020), (4, 420086510), (5, 336069208), (8, 210043255), (10, 168034604), (20, 84017302), (40, 42008651), (3329, 504760), (6658, 252380), (12619, 133160), (13316, 126190), (16645, 100952), (25238, 66580), (26632, 63095), (33290, 50476)]