131501840

素因数分解:

$2^4\times 5^1\times {\mathrm{1643773}}^1$

素因数の和:1643786

約数の個数: 20

約数和(自身を含む): 305741964

約数和(自身を除く): 174240124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1643773, 3287546, 6575092, 8218865, 13150184, 16437730, 26300368, 32875460, 65750920, 131501840]

約数ペア:

[(1, 131501840), (2, 65750920), (4, 32875460), (5, 26300368), (8, 16437730), (10, 13150184), (16, 8218865), (20, 6575092), (40, 3287546), (80, 1643773)]