80382760

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{3257}}^1$

素因数の和:3885

約数の個数: 32

約数和(自身を含む): 181209960

約数和(自身を除く): 100827200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 2468, 3085, 3257, 4936, 6170, 6514, 12340, 13028, 16285, 24680, 26056, 32570, 65140, 130280, 2009569, 4019138, 8038276, 10047845, 16076552, 20095690, 40191380, 80382760]

約数ペア:

[(1, 80382760), (2, 40191380), (4, 20095690), (5, 16076552), (8, 10047845), (10, 8038276), (20, 4019138), (40, 2009569), (617, 130280), (1234, 65140), (2468, 32570), (3085, 26056), (3257, 24680), (4936, 16285), (6170, 13028), (6514, 12340)]