25388780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{569}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 56306880

約数和(自身を除く): 30918100

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 485, 569, 970, 1138, 1940, 2231, 2276, 2845, 4462, 5690, 8924, 11155, 11380, 13087, 22310, 26174, 44620, 52348, 55193, 65435, 110386, 130870, 220772, 261740, 275965, 551930, 1103860, 1269439, 2538878, 5077756, 6347195, 12694390, 25388780]

約数ペア:

[(1, 25388780), (2, 12694390), (4, 6347195), (5, 5077756), (10, 2538878), (20, 1269439), (23, 1103860), (46, 551930), (92, 275965), (97, 261740), (115, 220772), (194, 130870), (230, 110386), (388, 65435), (460, 55193), (485, 52348), (569, 44620), (970, 26174), (1138, 22310), (1940, 13087), (2231, 11380), (2276, 11155), (2845, 8924), (4462, 5690)]