788581280

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{24767}}^1$

素因数の和:24981

約数の個数: 48

約数和(自身を含む): 1872460800

約数和(自身を除く): 1083879520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 6368, 7960, 15920, 24767, 31840, 49534, 99068, 123835, 198136, 247670, 396272, 495340, 792544, 990680, 1981360, 3962720, 4928633, 9857266, 19714532, 24643165, 39429064, 49286330, 78858128, 98572660, 157716256, 197145320, 394290640, 788581280]

約数ペア:

[(1, 788581280), (2, 394290640), (4, 197145320), (5, 157716256), (8, 98572660), (10, 78858128), (16, 49286330), (20, 39429064), (32, 24643165), (40, 19714532), (80, 9857266), (160, 4928633), (199, 3962720), (398, 1981360), (796, 990680), (995, 792544), (1592, 495340), (1990, 396272), (3184, 247670), (3980, 198136), (6368, 123835), (7960, 99068), (15920, 49534), (24767, 31840)]