64465520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{115117}}^1$

素因数の和:115137

約数の個数: 40

約数和(自身を含む): 171295584

約数和(自身を除く): 106830064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 115117, 230234, 460468, 575585, 805819, 920936, 1151170, 1611638, 1841872, 2302340, 3223276, 4029095, 4604680, 6446552, 8058190, 9209360, 12893104, 16116380, 32232760, 64465520]

約数ペア:

[(1, 64465520), (2, 32232760), (4, 16116380), (5, 12893104), (7, 9209360), (8, 8058190), (10, 6446552), (14, 4604680), (16, 4029095), (20, 3223276), (28, 2302340), (35, 1841872), (40, 1611638), (56, 1151170), (70, 920936), (80, 805819), (112, 575585), (140, 460468), (280, 230234), (560, 115117)]