25105160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10289}}^1$

素因数の和:10361

約数の個数: 32

約数和(自身を含む): 57418200

約数和(自身を除く): 32313040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 10289, 20578, 41156, 51445, 82312, 102890, 205780, 411560, 627629, 1255258, 2510516, 3138145, 5021032, 6276290, 12552580, 25105160]

約数ペア:

[(1, 25105160), (2, 12552580), (4, 6276290), (5, 5021032), (8, 3138145), (10, 2510516), (20, 1255258), (40, 627629), (61, 411560), (122, 205780), (244, 102890), (305, 82312), (488, 51445), (610, 41156), (1220, 20578), (2440, 10289)]