25457740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 67995648

約数和(自身を除く): 42537908

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 61, 70, 77, 110, 122, 140, 154, 220, 244, 271, 305, 308, 385, 427, 542, 610, 671, 770, 854, 1084, 1220, 1342, 1355, 1540, 1708, 1897, 2135, 2684, 2710, 2981, 3355, 3794, 4270, 4697, 5420, 5962, 6710, 7588, 8540, 9394, 9485, 11924, 13420, 14905, 16531, 18788, 18970, 20867, 23485, 29810, 33062, 37940, 41734, 46970, 59620, 66124, 82655, 83468, 93940, 104335, 115717, 165310, 181841, 208670, 231434, 330620, 363682, 417340, 462868, 578585, 727364, 909205, 1157170, 1272887, 1818410, 2314340, 2545774, 3636820, 5091548, 6364435, 12728870, 25457740]

約数ペア:

[(1, 25457740), (2, 12728870), (4, 6364435), (5, 5091548), (7, 3636820), (10, 2545774), (11, 2314340), (14, 1818410), (20, 1272887), (22, 1157170), (28, 909205), (35, 727364), (44, 578585), (55, 462868), (61, 417340), (70, 363682), (77, 330620), (110, 231434), (122, 208670), (140, 181841), (154, 165310), (220, 115717), (244, 104335), (271, 93940), (305, 83468), (308, 82655), (385, 66124), (427, 59620), (542, 46970), (610, 41734), (671, 37940), (770, 33062), (854, 29810), (1084, 23485), (1220, 20867), (1342, 18970), (1355, 18788), (1540, 16531), (1708, 14905), (1897, 13420), (2135, 11924), (2684, 9485), (2710, 9394), (2981, 8540), (3355, 7588), (3794, 6710), (4270, 5962), (4697, 5420)]