25508980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 64995840

約数和(自身を除く): 39486860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 61, 70, 103, 116, 122, 140, 145, 203, 206, 244, 290, 305, 406, 412, 427, 515, 580, 610, 721, 812, 854, 1015, 1030, 1220, 1442, 1708, 1769, 2030, 2060, 2135, 2884, 2987, 3538, 3605, 4060, 4270, 5974, 6283, 7076, 7210, 8540, 8845, 11948, 12383, 12566, 14420, 14935, 17690, 20909, 24766, 25132, 29870, 31415, 35380, 41818, 43981, 49532, 59740, 61915, 62830, 83636, 87962, 104545, 123830, 125660, 175924, 182207, 209090, 219905, 247660, 364414, 418180, 439810, 728828, 879620, 911035, 1275449, 1822070, 2550898, 3644140, 5101796, 6377245, 12754490, 25508980]

約数ペア:

[(1, 25508980), (2, 12754490), (4, 6377245), (5, 5101796), (7, 3644140), (10, 2550898), (14, 1822070), (20, 1275449), (28, 911035), (29, 879620), (35, 728828), (58, 439810), (61, 418180), (70, 364414), (103, 247660), (116, 219905), (122, 209090), (140, 182207), (145, 175924), (203, 125660), (206, 123830), (244, 104545), (290, 87962), (305, 83636), (406, 62830), (412, 61915), (427, 59740), (515, 49532), (580, 43981), (610, 41818), (721, 35380), (812, 31415), (854, 29870), (1015, 25132), (1030, 24766), (1220, 20909), (1442, 17690), (1708, 14935), (1769, 14420), (2030, 12566), (2060, 12383), (2135, 11948), (2884, 8845), (2987, 8540), (3538, 7210), (3605, 7076), (4060, 6283), (4270, 5974)]