25662940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1187}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 57480192

約数和(自身を除く): 31817252

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 1187, 2162, 2374, 4324, 4748, 5405, 5935, 10810, 11870, 21620, 23740, 27301, 54602, 55789, 109204, 111578, 136505, 223156, 273010, 278945, 546020, 557890, 1115780, 1283147, 2566294, 5132588, 6415735, 12831470, 25662940]

約数ペア:

[(1, 25662940), (2, 12831470), (4, 6415735), (5, 5132588), (10, 2566294), (20, 1283147), (23, 1115780), (46, 557890), (47, 546020), (92, 278945), (94, 273010), (115, 223156), (188, 136505), (230, 111578), (235, 109204), (460, 55789), (470, 54602), (940, 27301), (1081, 23740), (1187, 21620), (2162, 11870), (2374, 10810), (4324, 5935), (4748, 5405)]