51336640

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1171}}^1$

素因数の和:1325

約数の個数: 56

約数和(自身を含む): 123242832

約数和(自身を除く): 71906192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 685, 1096, 1171, 1370, 2192, 2342, 2740, 4384, 4684, 5480, 5855, 8768, 9368, 10960, 11710, 18736, 21920, 23420, 37472, 43840, 46840, 74944, 93680, 160427, 187360, 320854, 374720, 641708, 802135, 1283416, 1604270, 2566832, 3208540, 5133664, 6417080, 10267328, 12834160, 25668320, 51336640]

約数ペア:

[(1, 51336640), (2, 25668320), (4, 12834160), (5, 10267328), (8, 6417080), (10, 5133664), (16, 3208540), (20, 2566832), (32, 1604270), (40, 1283416), (64, 802135), (80, 641708), (137, 374720), (160, 320854), (274, 187360), (320, 160427), (548, 93680), (685, 74944), (1096, 46840), (1171, 43840), (1370, 37472), (2192, 23420), (2342, 21920), (2740, 18736), (4384, 11710), (4684, 10960), (5480, 9368), (5855, 8768)]