4013620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 9313920

約数和(自身を除く): 5300300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 359, 430, 559, 718, 860, 1118, 1436, 1795, 2236, 2795, 3590, 4667, 5590, 7180, 9334, 11180, 15437, 18668, 23335, 30874, 46670, 61748, 77185, 93340, 154370, 200681, 308740, 401362, 802724, 1003405, 2006810, 4013620]

約数ペア:

[(1, 4013620), (2, 2006810), (4, 1003405), (5, 802724), (10, 401362), (13, 308740), (20, 200681), (26, 154370), (43, 93340), (52, 77185), (65, 61748), (86, 46670), (130, 30874), (172, 23335), (215, 18668), (260, 15437), (359, 11180), (430, 9334), (559, 7180), (718, 5590), (860, 4667), (1118, 3590), (1436, 2795), (1795, 2236)]