16662680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5273}}^1$

素因数の和:5363

約数の個数: 32

約数和(自身を含む): 37972800

約数和(自身を除く): 21310120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 5273, 10546, 21092, 26365, 42184, 52730, 105460, 210920, 416567, 833134, 1666268, 2082835, 3332536, 4165670, 8331340, 16662680]

約数ペア:

[(1, 16662680), (2, 8331340), (4, 4165670), (5, 3332536), (8, 2082835), (10, 1666268), (20, 833134), (40, 416567), (79, 210920), (158, 105460), (316, 52730), (395, 42184), (632, 26365), (790, 21092), (1580, 10546), (3160, 5273)]