38666860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 84722400

約数和(自身を除く): 46055540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 163, 290, 326, 409, 580, 652, 815, 818, 1630, 1636, 2045, 3260, 4090, 4727, 8180, 9454, 11861, 18908, 23635, 23722, 47270, 47444, 59305, 66667, 94540, 118610, 133334, 237220, 266668, 333335, 666670, 1333340, 1933343, 3866686, 7733372, 9666715, 19333430, 38666860]

約数ペア:

[(1, 38666860), (2, 19333430), (4, 9666715), (5, 7733372), (10, 3866686), (20, 1933343), (29, 1333340), (58, 666670), (116, 333335), (145, 266668), (163, 237220), (290, 133334), (326, 118610), (409, 94540), (580, 66667), (652, 59305), (815, 47444), (818, 47270), (1630, 23722), (1636, 23635), (2045, 18908), (3260, 11861), (4090, 9454), (4727, 8180)]