70419280

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1987}}^1$

素因数の和:2443

約数の個数: 40

約数和(自身を含む): 164176992

約数和(自身を除く): 93757712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 1987, 2215, 3544, 3974, 4430, 7088, 7948, 8860, 9935, 15896, 17720, 19870, 31792, 35440, 39740, 79480, 158960, 880241, 1760482, 3520964, 4401205, 7041928, 8802410, 14083856, 17604820, 35209640, 70419280]

約数ペア:

[(1, 70419280), (2, 35209640), (4, 17604820), (5, 14083856), (8, 8802410), (10, 7041928), (16, 4401205), (20, 3520964), (40, 1760482), (80, 880241), (443, 158960), (886, 79480), (1772, 39740), (1987, 35440), (2215, 31792), (3544, 19870), (3974, 17720), (4430, 15896), (7088, 9935), (7948, 8860)]