71728460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{50513}}^1$

素因数の和:50593

約数の個数: 24

約数和(自身を含む): 152754336

約数和(自身を除く): 81025876

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 50513, 101026, 202052, 252565, 505130, 1010260, 3586423, 7172846, 14345692, 17932115, 35864230, 71728460]

約数ペア:

[(1, 71728460), (2, 35864230), (4, 17932115), (5, 14345692), (10, 7172846), (20, 3586423), (71, 1010260), (142, 505130), (284, 252565), (355, 202052), (710, 101026), (1420, 50513)]