808225960

素因数分解:

$2^3\times 5^1\times {\mathrm{1933}}^1\times {\mathrm{10453}}^1$

素因数の和:12397

約数の個数: 32

約数和(自身を含む): 1819623240

約数和(自身を除く): 1011397280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1933, 3866, 7732, 9665, 10453, 15464, 19330, 20906, 38660, 41812, 52265, 77320, 83624, 104530, 209060, 418120, 20205649, 40411298, 80822596, 101028245, 161645192, 202056490, 404112980, 808225960]

約数ペア:

[(1, 808225960), (2, 404112980), (4, 202056490), (5, 161645192), (8, 101028245), (10, 80822596), (20, 40411298), (40, 20205649), (1933, 418120), (3866, 209060), (7732, 104530), (9665, 83624), (10453, 77320), (15464, 52265), (19330, 41812), (20906, 38660)]