71586820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1303}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 156417408

約数和(自身を除く): 84830588

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 268, 335, 410, 670, 820, 1303, 1340, 2606, 2747, 5212, 5494, 6515, 10988, 13030, 13735, 26060, 27470, 53423, 54940, 87301, 106846, 174602, 213692, 267115, 349204, 436505, 534230, 873010, 1068460, 1746020, 3579341, 7158682, 14317364, 17896705, 35793410, 71586820]

約数ペア:

[(1, 71586820), (2, 35793410), (4, 17896705), (5, 14317364), (10, 7158682), (20, 3579341), (41, 1746020), (67, 1068460), (82, 873010), (134, 534230), (164, 436505), (205, 349204), (268, 267115), (335, 213692), (410, 174602), (670, 106846), (820, 87301), (1303, 54940), (1340, 53423), (2606, 27470), (2747, 26060), (5212, 13735), (5494, 13030), (6515, 10988)]