64292680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43441}}^1$

素因数の和:43489

約数の個数: 32

約数和(自身を含む): 148571640

約数和(自身を除く): 84278960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 43441, 86882, 173764, 217205, 347528, 434410, 868820, 1607317, 1737640, 3214634, 6429268, 8036585, 12858536, 16073170, 32146340, 64292680]

約数ペア:

[(1, 64292680), (2, 32146340), (4, 16073170), (5, 12858536), (8, 8036585), (10, 6429268), (20, 3214634), (37, 1737640), (40, 1607317), (74, 868820), (148, 434410), (185, 347528), (296, 217205), (370, 173764), (740, 86882), (1480, 43441)]