64949920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{57991}}^1$

素因数の和:58013

約数の個数: 48

約数和(自身を含む): 175367808

約数和(自身を除く): 110417888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 57991, 115982, 231964, 289955, 405937, 463928, 579910, 811874, 927856, 1159820, 1623748, 1855712, 2029685, 2319640, 3247496, 4059370, 4639280, 6494992, 8118740, 9278560, 12989984, 16237480, 32474960, 64949920]

約数ペア:

[(1, 64949920), (2, 32474960), (4, 16237480), (5, 12989984), (7, 9278560), (8, 8118740), (10, 6494992), (14, 4639280), (16, 4059370), (20, 3247496), (28, 2319640), (32, 2029685), (35, 1855712), (40, 1623748), (56, 1159820), (70, 927856), (80, 811874), (112, 579910), (140, 463928), (160, 405937), (224, 289955), (280, 231964), (560, 115982), (1120, 57991)]