4325620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 9934848

約数和(自身を除く): 5609228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 131, 254, 260, 262, 508, 524, 635, 655, 1270, 1310, 1651, 1703, 2540, 2620, 3302, 3406, 6604, 6812, 8255, 8515, 16510, 16637, 17030, 33020, 33274, 34060, 66548, 83185, 166370, 216281, 332740, 432562, 865124, 1081405, 2162810, 4325620]

約数ペア:

[(1, 4325620), (2, 2162810), (4, 1081405), (5, 865124), (10, 432562), (13, 332740), (20, 216281), (26, 166370), (52, 83185), (65, 66548), (127, 34060), (130, 33274), (131, 33020), (254, 17030), (260, 16637), (262, 16510), (508, 8515), (524, 8255), (635, 6812), (655, 6604), (1270, 3406), (1310, 3302), (1651, 2620), (1703, 2540)]