25462020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 74511360

約数和(自身を除く): 49049340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 71, 86, 129, 139, 142, 172, 213, 215, 258, 278, 284, 355, 417, 426, 430, 516, 556, 645, 695, 710, 834, 852, 860, 1065, 1290, 1390, 1420, 1668, 2085, 2130, 2580, 2780, 3053, 4170, 4260, 5977, 6106, 8340, 9159, 9869, 11954, 12212, 15265, 17931, 18318, 19738, 23908, 29607, 29885, 30530, 35862, 36636, 39476, 45795, 49345, 59214, 59770, 61060, 71724, 89655, 91590, 98690, 118428, 119540, 148035, 179310, 183180, 197380, 296070, 358620, 424367, 592140, 848734, 1273101, 1697468, 2121835, 2546202, 4243670, 5092404, 6365505, 8487340, 12731010, 25462020]

約数ペア:

[(1, 25462020), (2, 12731010), (3, 8487340), (4, 6365505), (5, 5092404), (6, 4243670), (10, 2546202), (12, 2121835), (15, 1697468), (20, 1273101), (30, 848734), (43, 592140), (60, 424367), (71, 358620), (86, 296070), (129, 197380), (139, 183180), (142, 179310), (172, 148035), (213, 119540), (215, 118428), (258, 98690), (278, 91590), (284, 89655), (355, 71724), (417, 61060), (426, 59770), (430, 59214), (516, 49345), (556, 45795), (645, 39476), (695, 36636), (710, 35862), (834, 30530), (852, 29885), (860, 29607), (1065, 23908), (1290, 19738), (1390, 18318), (1420, 17931), (1668, 15265), (2085, 12212), (2130, 11954), (2580, 9869), (2780, 9159), (3053, 8340), (4170, 6106), (4260, 5977)]