25806940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{601}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 57647520

約数和(自身を除く): 31840580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 226, 380, 452, 565, 601, 1130, 1202, 2147, 2260, 2404, 3005, 4294, 6010, 8588, 10735, 11419, 12020, 21470, 22838, 42940, 45676, 57095, 67913, 114190, 135826, 228380, 271652, 339565, 679130, 1290347, 1358260, 2580694, 5161388, 6451735, 12903470, 25806940]

約数ペア:

[(1, 25806940), (2, 12903470), (4, 6451735), (5, 5161388), (10, 2580694), (19, 1358260), (20, 1290347), (38, 679130), (76, 339565), (95, 271652), (113, 228380), (190, 135826), (226, 114190), (380, 67913), (452, 57095), (565, 45676), (601, 42940), (1130, 22838), (1202, 21470), (2147, 12020), (2260, 11419), (2404, 10735), (3005, 8588), (4294, 6010)]