200399180

素因数分解:

$2^2\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{5189}}^1$

素因数の和:7129

約数の個数: 24

約数和(自身を含む): 421137360

約数和(自身を除く): 220738180

約数列:

[1, 2, 4, 5, 10, 20, 1931, 3862, 5189, 7724, 9655, 10378, 19310, 20756, 25945, 38620, 51890, 103780, 10019959, 20039918, 40079836, 50099795, 100199590, 200399180]

約数ペア:

[(1, 200399180), (2, 100199590), (4, 50099795), (5, 40079836), (10, 20039918), (20, 10019959), (1931, 103780), (3862, 51890), (5189, 38620), (7724, 25945), (9655, 20756), (10378, 19310)]