71438560

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4603}}^1$

素因数の和:4715

約数の個数: 48

約数和(自身を含む): 170550576

約数和(自身を除く): 99112016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 4603, 7760, 9206, 15520, 18412, 23015, 36824, 46030, 73648, 92060, 147296, 184120, 368240, 446491, 736480, 892982, 1785964, 2232455, 3571928, 4464910, 7143856, 8929820, 14287712, 17859640, 35719280, 71438560]

約数ペア:

[(1, 71438560), (2, 35719280), (4, 17859640), (5, 14287712), (8, 8929820), (10, 7143856), (16, 4464910), (20, 3571928), (32, 2232455), (40, 1785964), (80, 892982), (97, 736480), (160, 446491), (194, 368240), (388, 184120), (485, 147296), (776, 92060), (970, 73648), (1552, 46030), (1940, 36824), (3104, 23015), (3880, 18412), (4603, 15520), (7760, 9206)]