102575800

素因数分解:

$2^3\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1279}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 239270400

約数和(自身を除く): 136694600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 401, 802, 1279, 1604, 2005, 2558, 3208, 4010, 5116, 6395, 8020, 10025, 10232, 12790, 16040, 20050, 25580, 31975, 40100, 51160, 63950, 80200, 127900, 255800, 512879, 1025758, 2051516, 2564395, 4103032, 5128790, 10257580, 12821975, 20515160, 25643950, 51287900, 102575800]

約数ペア:

[(1, 102575800), (2, 51287900), (4, 25643950), (5, 20515160), (8, 12821975), (10, 10257580), (20, 5128790), (25, 4103032), (40, 2564395), (50, 2051516), (100, 1025758), (200, 512879), (401, 255800), (802, 127900), (1279, 80200), (1604, 63950), (2005, 51160), (2558, 40100), (3208, 31975), (4010, 25580), (5116, 20050), (6395, 16040), (8020, 12790), (10025, 10232)]