159968247680

素因数分解:

$2^7\times 5^1\times {\mathrm{249950387}}^1$

素因数の和:249950406

約数の個数: 32

約数和(自身を含む): 382424093640

約数和(自身を除く): 222455845960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 249950387, 499900774, 999801548, 1249751935, 1999603096, 2499503870, 3999206192, 4999007740, 7998412384, 9998015480, 15996824768, 19996030960, 31993649536, 39992061920, 79984123840, 159968247680]

約数ペア:

[(1, 159968247680), (2, 79984123840), (4, 39992061920), (5, 31993649536), (8, 19996030960), (10, 15996824768), (16, 9998015480), (20, 7998412384), (32, 4999007740), (40, 3999206192), (64, 2499503870), (80, 1999603096), (128, 1249751935), (160, 999801548), (320, 499900774), (640, 249950387)]