20187010040

素因数分解:

$2^3\times 5^1\times {\mathrm{4513}}^1\times {\mathrm{111827}}^1$

素因数の和:116351

約数の個数: 32

約数和(自身を含む): 45431243280

約数和(自身を除く): 25244233240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4513, 9026, 18052, 22565, 36104, 45130, 90260, 111827, 180520, 223654, 447308, 559135, 894616, 1118270, 2236540, 4473080, 504675251, 1009350502, 2018701004, 2523376255, 4037402008, 5046752510, 10093505020, 20187010040]

約数ペア:

[(1, 20187010040), (2, 10093505020), (4, 5046752510), (5, 4037402008), (8, 2523376255), (10, 2018701004), (20, 1009350502), (40, 504675251), (4513, 4473080), (9026, 2236540), (18052, 1118270), (22565, 894616), (36104, 559135), (45130, 447308), (90260, 223654), (111827, 180520)]