64863340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1303}}^1$

素因数の和:1462

約数の個数: 48

約数和(自身を含む): 144587520

約数和(自身を除く): 79724180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1303, 1310, 2489, 2606, 2620, 4978, 5212, 6515, 9956, 12445, 13030, 24757, 24890, 26060, 49514, 49780, 99028, 123785, 170693, 247570, 341386, 495140, 682772, 853465, 1706930, 3243167, 3413860, 6486334, 12972668, 16215835, 32431670, 64863340]

約数ペア:

[(1, 64863340), (2, 32431670), (4, 16215835), (5, 12972668), (10, 6486334), (19, 3413860), (20, 3243167), (38, 1706930), (76, 853465), (95, 682772), (131, 495140), (190, 341386), (262, 247570), (380, 170693), (524, 123785), (655, 99028), (1303, 49780), (1310, 49514), (2489, 26060), (2606, 24890), (2620, 24757), (4978, 13030), (5212, 12445), (6515, 9956)]