64842140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{6271}}^1$

素因数の和:6338

約数の個数: 48

約数和(自身を含む): 151732224

約数和(自身を除く): 86890084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 6271, 10340, 12542, 25084, 31355, 62710, 68981, 125420, 137962, 275924, 294737, 344905, 589474, 689810, 1178948, 1379620, 1473685, 2947370, 3242107, 5894740, 6484214, 12968428, 16210535, 32421070, 64842140]

約数ペア:

[(1, 64842140), (2, 32421070), (4, 16210535), (5, 12968428), (10, 6484214), (11, 5894740), (20, 3242107), (22, 2947370), (44, 1473685), (47, 1379620), (55, 1178948), (94, 689810), (110, 589474), (188, 344905), (220, 294737), (235, 275924), (470, 137962), (517, 125420), (940, 68981), (1034, 62710), (2068, 31355), (2585, 25084), (5170, 12542), (6271, 10340)]