4173220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 9289728

約数和(自身を除く): 5116508

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 127, 155, 212, 254, 265, 310, 508, 530, 620, 635, 1060, 1270, 1643, 2540, 3286, 3937, 6572, 6731, 7874, 8215, 13462, 15748, 16430, 19685, 26924, 32860, 33655, 39370, 67310, 78740, 134620, 208661, 417322, 834644, 1043305, 2086610, 4173220]

約数ペア:

[(1, 4173220), (2, 2086610), (4, 1043305), (5, 834644), (10, 417322), (20, 208661), (31, 134620), (53, 78740), (62, 67310), (106, 39370), (124, 33655), (127, 32860), (155, 26924), (212, 19685), (254, 16430), (265, 15748), (310, 13462), (508, 8215), (530, 7874), (620, 6731), (635, 6572), (1060, 3937), (1270, 3286), (1643, 2540)]