66068260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{37117}}^1$

素因数の和:37215

約数の個数: 24

約数和(自身を含む): 140306040

約数和(自身を除く): 74237780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 37117, 74234, 148468, 185585, 371170, 742340, 3303413, 6606826, 13213652, 16517065, 33034130, 66068260]

約数ペア:

[(1, 66068260), (2, 33034130), (4, 16517065), (5, 13213652), (10, 6606826), (20, 3303413), (89, 742340), (178, 371170), (356, 185585), (445, 148468), (890, 74234), (1780, 37117)]