52400660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 122439240

約数和(自身を除く): 70038580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 109, 130, 172, 215, 218, 260, 430, 436, 545, 559, 860, 1090, 1118, 1417, 1849, 2180, 2236, 2795, 2834, 3698, 4687, 5590, 5668, 7085, 7396, 9245, 9374, 11180, 14170, 18490, 18748, 23435, 24037, 28340, 36980, 46870, 48074, 60931, 93740, 96148, 120185, 121862, 201541, 240370, 243724, 304655, 403082, 480740, 609310, 806164, 1007705, 1218620, 2015410, 2620033, 4030820, 5240066, 10480132, 13100165, 26200330, 52400660]

約数ペア:

[(1, 52400660), (2, 26200330), (4, 13100165), (5, 10480132), (10, 5240066), (13, 4030820), (20, 2620033), (26, 2015410), (43, 1218620), (52, 1007705), (65, 806164), (86, 609310), (109, 480740), (130, 403082), (172, 304655), (215, 243724), (218, 240370), (260, 201541), (430, 121862), (436, 120185), (545, 96148), (559, 93740), (860, 60931), (1090, 48074), (1118, 46870), (1417, 36980), (1849, 28340), (2180, 24037), (2236, 23435), (2795, 18748), (2834, 18490), (3698, 14170), (4687, 11180), (5590, 9374), (5668, 9245), (7085, 7396)]