25198440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{209987}}^1$

素因数の和:210001

約数の個数: 32

約数和(自身を含む): 75595680

約数和(自身を除く): 50397240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 209987, 419974, 629961, 839948, 1049935, 1259922, 1679896, 2099870, 2519844, 3149805, 4199740, 5039688, 6299610, 8399480, 12599220, 25198440]

約数ペア:

[(1, 25198440), (2, 12599220), (3, 8399480), (4, 6299610), (5, 5039688), (6, 4199740), (8, 3149805), (10, 2519844), (12, 2099870), (15, 1679896), (20, 1259922), (24, 1049935), (30, 839948), (40, 629961), (60, 419974), (120, 209987)]