25116420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{8543}}^1$

素因数の和:8569

約数の個数: 72

約数和(自身を含む): 81817344

約数和(自身を除く): 56700924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 8543, 17086, 25629, 34172, 42715, 51258, 59801, 85430, 102516, 119602, 128145, 170860, 179403, 239204, 256290, 299005, 358806, 418607, 512580, 598010, 717612, 837214, 897015, 1196020, 1255821, 1674428, 1794030, 2093035, 2511642, 3588060, 4186070, 5023284, 6279105, 8372140, 12558210, 25116420]

約数ペア:

[(1, 25116420), (2, 12558210), (3, 8372140), (4, 6279105), (5, 5023284), (6, 4186070), (7, 3588060), (10, 2511642), (12, 2093035), (14, 1794030), (15, 1674428), (20, 1255821), (21, 1196020), (28, 897015), (30, 837214), (35, 717612), (42, 598010), (49, 512580), (60, 418607), (70, 358806), (84, 299005), (98, 256290), (105, 239204), (140, 179403), (147, 170860), (196, 128145), (210, 119602), (245, 102516), (294, 85430), (420, 59801), (490, 51258), (588, 42715), (735, 34172), (980, 25629), (1470, 17086), (2940, 8543)]