68497602100

素因数分解:

$2^2\times 5^2\times {\mathrm{31643}}^1\times {\mathrm{21647}}^1$

素因数の和:53304

約数の個数: 36

約数和(自身を含む): 148651360704

約数和(自身を除く): 80153758604

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 21647, 31643, 43294, 63286, 86588, 108235, 126572, 158215, 216470, 316430, 432940, 541175, 632860, 791075, 1082350, 1582150, 2164700, 3164300, 684976021, 1369952042, 2739904084, 3424880105, 6849760210, 13699520420, 17124400525, 34248801050, 68497602100]

約数ペア:

[(1, 68497602100), (2, 34248801050), (4, 17124400525), (5, 13699520420), (10, 6849760210), (20, 3424880105), (25, 2739904084), (50, 1369952042), (100, 684976021), (21647, 3164300), (31643, 2164700), (43294, 1582150), (63286, 1082350), (86588, 791075), (108235, 632860), (126572, 541175), (158215, 432940), (216470, 316430)]