66479620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 143700480

約数和(自身を除く): 77220860

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 197, 235, 359, 394, 470, 718, 788, 940, 985, 1436, 1795, 1970, 3590, 3940, 7180, 9259, 16873, 18518, 33746, 37036, 46295, 67492, 70723, 84365, 92590, 141446, 168730, 185180, 282892, 337460, 353615, 707230, 1414460, 3323981, 6647962, 13295924, 16619905, 33239810, 66479620]

約数ペア:

[(1, 66479620), (2, 33239810), (4, 16619905), (5, 13295924), (10, 6647962), (20, 3323981), (47, 1414460), (94, 707230), (188, 353615), (197, 337460), (235, 282892), (359, 185180), (394, 168730), (470, 141446), (718, 92590), (788, 84365), (940, 70723), (985, 67492), (1436, 46295), (1795, 37036), (1970, 33746), (3590, 18518), (3940, 16873), (7180, 9259)]