201024280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{82387}}^1$

素因数の和:82459

約数の個数: 32

約数和(自身を含む): 459725040

約数和(自身を除く): 258700760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 82387, 164774, 329548, 411935, 659096, 823870, 1647740, 3295480, 5025607, 10051214, 20102428, 25128035, 40204856, 50256070, 100512140, 201024280]

約数ペア:

[(1, 201024280), (2, 100512140), (4, 50256070), (5, 40204856), (8, 25128035), (10, 20102428), (20, 10051214), (40, 5025607), (61, 3295480), (122, 1647740), (244, 823870), (305, 659096), (488, 411935), (610, 329548), (1220, 164774), (2440, 82387)]