1680497440

素因数分解:

$2^5\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{4729}}^1$

素因数の和:6965

約数の個数: 48

約数和(自身を含む): 3972802680

約数和(自身を除く): 2292305240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2221, 4442, 4729, 8884, 9458, 11105, 17768, 18916, 22210, 23645, 35536, 37832, 44420, 47290, 71072, 75664, 88840, 94580, 151328, 177680, 189160, 355360, 378320, 756640, 10503109, 21006218, 42012436, 52515545, 84024872, 105031090, 168049744, 210062180, 336099488, 420124360, 840248720, 1680497440]

約数ペア:

[(1, 1680497440), (2, 840248720), (4, 420124360), (5, 336099488), (8, 210062180), (10, 168049744), (16, 105031090), (20, 84024872), (32, 52515545), (40, 42012436), (80, 21006218), (160, 10503109), (2221, 756640), (4442, 378320), (4729, 355360), (8884, 189160), (9458, 177680), (11105, 151328), (17768, 94580), (18916, 88840), (22210, 75664), (23645, 71072), (35536, 47290), (37832, 44420)]