65552920

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{6857}}^1$

素因数の和:7107

約数の個数: 32

約数和(自身を含む): 148132800

約数和(自身を除く): 82579880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 6857, 9560, 13714, 27428, 34285, 54856, 68570, 137140, 274280, 1638823, 3277646, 6555292, 8194115, 13110584, 16388230, 32776460, 65552920]

約数ペア:

[(1, 65552920), (2, 32776460), (4, 16388230), (5, 13110584), (8, 8194115), (10, 6555292), (20, 3277646), (40, 1638823), (239, 274280), (478, 137140), (956, 68570), (1195, 54856), (1912, 34285), (2390, 27428), (4780, 13714), (6857, 9560)]