70189640

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6991}}^1$

素因数の和:7253

約数の個数: 32

約数和(自身を含む): 158578560

約数和(自身を除く): 88388920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 6991, 10040, 13982, 27964, 34955, 55928, 69910, 139820, 279640, 1754741, 3509482, 7018964, 8773705, 14037928, 17547410, 35094820, 70189640]

約数ペア:

[(1, 70189640), (2, 35094820), (4, 17547410), (5, 14037928), (8, 8773705), (10, 7018964), (20, 3509482), (40, 1754741), (251, 279640), (502, 139820), (1004, 69910), (1255, 55928), (2008, 34955), (2510, 27964), (5020, 13982), (6991, 10040)]