804538520

素因数分解:

$2^3\times 5^1\times {\mathrm{3181}}^1\times {\mathrm{6323}}^1$

素因数の和:9515

約数の個数: 32

約数和(自身を含む): 1811067120

約数和(自身を除く): 1006528600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3181, 6323, 6362, 12646, 12724, 15905, 25292, 25448, 31615, 31810, 50584, 63230, 63620, 126460, 127240, 252920, 20113463, 40226926, 80453852, 100567315, 160907704, 201134630, 402269260, 804538520]

約数ペア:

[(1, 804538520), (2, 402269260), (4, 201134630), (5, 160907704), (8, 100567315), (10, 80453852), (20, 40226926), (40, 20113463), (3181, 252920), (6323, 127240), (6362, 126460), (12646, 63620), (12724, 63230), (15905, 50584), (25292, 31810), (25448, 31615)]