81934000

素因数分解:

$2^4\times 5^3\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:671

約数の個数: 80

約数和(自身を含む): 201254976

約数和(自身を除く): 119320976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 125, 142, 200, 250, 284, 355, 400, 500, 568, 577, 710, 1000, 1136, 1154, 1420, 1775, 2000, 2308, 2840, 2885, 3550, 4616, 5680, 5770, 7100, 8875, 9232, 11540, 14200, 14425, 17750, 23080, 28400, 28850, 35500, 40967, 46160, 57700, 71000, 72125, 81934, 115400, 142000, 144250, 163868, 204835, 230800, 288500, 327736, 409670, 577000, 655472, 819340, 1024175, 1154000, 1638680, 2048350, 3277360, 4096700, 5120875, 8193400, 10241750, 16386800, 20483500, 40967000, 81934000]

約数ペア:

[(1, 81934000), (2, 40967000), (4, 20483500), (5, 16386800), (8, 10241750), (10, 8193400), (16, 5120875), (20, 4096700), (25, 3277360), (40, 2048350), (50, 1638680), (71, 1154000), (80, 1024175), (100, 819340), (125, 655472), (142, 577000), (200, 409670), (250, 327736), (284, 288500), (355, 230800), (400, 204835), (500, 163868), (568, 144250), (577, 142000), (710, 115400), (1000, 81934), (1136, 72125), (1154, 71000), (1420, 57700), (1775, 46160), (2000, 40967), (2308, 35500), (2840, 28850), (2885, 28400), (3550, 23080), (4616, 17750), (5680, 14425), (5770, 14200), (7100, 11540), (8875, 9232)]