25686440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1051}}^1$

素因数の和:1122

約数の個数: 64

約数和(自身を含む): 63624960

約数和(自身を除く): 37938520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1051, 1222, 1880, 2102, 2444, 3055, 4204, 4888, 5255, 6110, 8408, 10510, 12220, 13663, 21020, 24440, 27326, 42040, 49397, 54652, 68315, 98794, 109304, 136630, 197588, 246985, 273260, 395176, 493970, 546520, 642161, 987940, 1284322, 1975880, 2568644, 3210805, 5137288, 6421610, 12843220, 25686440]

約数ペア:

[(1, 25686440), (2, 12843220), (4, 6421610), (5, 5137288), (8, 3210805), (10, 2568644), (13, 1975880), (20, 1284322), (26, 987940), (40, 642161), (47, 546520), (52, 493970), (65, 395176), (94, 273260), (104, 246985), (130, 197588), (188, 136630), (235, 109304), (260, 98794), (376, 68315), (470, 54652), (520, 49397), (611, 42040), (940, 27326), (1051, 24440), (1222, 21020), (1880, 13663), (2102, 12220), (2444, 10510), (3055, 8408), (4204, 6110), (4888, 5255)]