64387540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15859}}^1$

素因数の和:15904

約数の個数: 48

約数和(自身を含む): 159868800

約数和(自身を除く): 95481260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 15859, 31718, 63436, 79295, 111013, 158590, 222026, 317180, 444052, 459911, 555065, 919822, 1110130, 1839644, 2220260, 2299555, 3219377, 4599110, 6438754, 9198220, 12877508, 16096885, 32193770, 64387540]

約数ペア:

[(1, 64387540), (2, 32193770), (4, 16096885), (5, 12877508), (7, 9198220), (10, 6438754), (14, 4599110), (20, 3219377), (28, 2299555), (29, 2220260), (35, 1839644), (58, 1110130), (70, 919822), (116, 555065), (140, 459911), (145, 444052), (203, 317180), (290, 222026), (406, 158590), (580, 111013), (812, 79295), (1015, 63436), (2030, 31718), (4060, 15859)]