25217080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{797}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 65499840

約数和(自身を除く): 40282760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 791, 797, 904, 1130, 1582, 1594, 2260, 3164, 3188, 3955, 3985, 4520, 5579, 6328, 6376, 7910, 7970, 11158, 15820, 15940, 22316, 27895, 31640, 31880, 44632, 55790, 90061, 111580, 180122, 223160, 360244, 450305, 630427, 720488, 900610, 1260854, 1801220, 2521708, 3152135, 3602440, 5043416, 6304270, 12608540, 25217080]

約数ペア:

[(1, 25217080), (2, 12608540), (4, 6304270), (5, 5043416), (7, 3602440), (8, 3152135), (10, 2521708), (14, 1801220), (20, 1260854), (28, 900610), (35, 720488), (40, 630427), (56, 450305), (70, 360244), (113, 223160), (140, 180122), (226, 111580), (280, 90061), (452, 55790), (565, 44632), (791, 31880), (797, 31640), (904, 27895), (1130, 22316), (1582, 15940), (1594, 15820), (2260, 11158), (3164, 7970), (3188, 7910), (3955, 6376), (3985, 6328), (4520, 5579)]