69815140

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{26647}}^1$

素因数の和:26787

約数の個数: 24

約数和(自身を含む): 147736512

約数和(自身を除く): 77921372

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 26647, 53294, 106588, 133235, 266470, 532940, 3490757, 6981514, 13963028, 17453785, 34907570, 69815140]

約数ペア:

[(1, 69815140), (2, 34907570), (4, 17453785), (5, 13963028), (10, 6981514), (20, 3490757), (131, 532940), (262, 266470), (524, 133235), (655, 106588), (1310, 53294), (2620, 26647)]