25781390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{569}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 48755520

約数和(自身を除く): 22974130

約数列:

[1, 2, 5, 10, 23, 46, 115, 197, 230, 394, 569, 985, 1138, 1970, 2845, 4531, 5690, 9062, 13087, 22655, 26174, 45310, 65435, 112093, 130870, 224186, 560465, 1120930, 2578139, 5156278, 12890695, 25781390]

約数ペア:

[(1, 25781390), (2, 12890695), (5, 5156278), (10, 2578139), (23, 1120930), (46, 560465), (115, 224186), (197, 130870), (230, 112093), (394, 65435), (569, 45310), (985, 26174), (1138, 22655), (1970, 13087), (2845, 9062), (4531, 5690)]