25327260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20101}}^1$

素因数の和:20123

約数の個数: 72

約数和(自身を含む): 87805536

約数和(自身を除く): 62478276

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20101, 40202, 60303, 80404, 100505, 120606, 140707, 180909, 201010, 241212, 281414, 301515, 361818, 402020, 422121, 562828, 603030, 703535, 723636, 844242, 904545, 1206060, 1266363, 1407070, 1688484, 1809090, 2110605, 2532726, 2814140, 3618180, 4221210, 5065452, 6331815, 8442420, 12663630, 25327260]

約数ペア:

[(1, 25327260), (2, 12663630), (3, 8442420), (4, 6331815), (5, 5065452), (6, 4221210), (7, 3618180), (9, 2814140), (10, 2532726), (12, 2110605), (14, 1809090), (15, 1688484), (18, 1407070), (20, 1266363), (21, 1206060), (28, 904545), (30, 844242), (35, 723636), (36, 703535), (42, 603030), (45, 562828), (60, 422121), (63, 402020), (70, 361818), (84, 301515), (90, 281414), (105, 241212), (126, 201010), (140, 180909), (180, 140707), (210, 120606), (252, 100505), (315, 80404), (420, 60303), (630, 40202), (1260, 20101)]