68443120

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3253}}^1$

素因数の和:3529

約数の個数: 40

約数和(自身を含む): 159784416

約数和(自身を除く): 91341296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 3253, 4208, 5260, 6506, 10520, 13012, 16265, 21040, 26024, 32530, 52048, 65060, 130120, 260240, 855539, 1711078, 3422156, 4277695, 6844312, 8555390, 13688624, 17110780, 34221560, 68443120]

約数ペア:

[(1, 68443120), (2, 34221560), (4, 17110780), (5, 13688624), (8, 8555390), (10, 6844312), (16, 4277695), (20, 3422156), (40, 1711078), (80, 855539), (263, 260240), (526, 130120), (1052, 65060), (1315, 52048), (2104, 32530), (2630, 26024), (3253, 21040), (4208, 16265), (5260, 13012), (6506, 10520)]