71387240

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17327}}^1$

素因数の和:17441

約数の個数: 32

約数和(自身を含む): 162190080

約数和(自身を除く): 90802840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 17327, 34654, 69308, 86635, 138616, 173270, 346540, 693080, 1784681, 3569362, 7138724, 8923405, 14277448, 17846810, 35693620, 71387240]

約数ペア:

[(1, 71387240), (2, 35693620), (4, 17846810), (5, 14277448), (8, 8923405), (10, 7138724), (20, 3569362), (40, 1784681), (103, 693080), (206, 346540), (412, 173270), (515, 138616), (824, 86635), (1030, 69308), (2060, 34654), (4120, 17327)]