25398620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97687}}^1$

素因数の和:97709

約数の個数: 24

約数和(自身を含む): 57440544

約数和(自身を除く): 32041924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 97687, 195374, 390748, 488435, 976870, 1269931, 1953740, 2539862, 5079724, 6349655, 12699310, 25398620]

約数ペア:

[(1, 25398620), (2, 12699310), (4, 6349655), (5, 5079724), (10, 2539862), (13, 1953740), (20, 1269931), (26, 976870), (52, 488435), (65, 390748), (130, 195374), (260, 97687)]