72569680

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8807}}^1$

素因数の和:8923

約数の個数: 40

約数和(自身を含む): 170381952

約数和(自身を除く): 97812272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 8807, 17614, 35228, 44035, 70456, 88070, 140912, 176140, 352280, 704560, 907121, 1814242, 3628484, 4535605, 7256968, 9071210, 14513936, 18142420, 36284840, 72569680]

約数ペア:

[(1, 72569680), (2, 36284840), (4, 18142420), (5, 14513936), (8, 9071210), (10, 7256968), (16, 4535605), (20, 3628484), (40, 1814242), (80, 907121), (103, 704560), (206, 352280), (412, 176140), (515, 140912), (824, 88070), (1030, 70456), (1648, 44035), (2060, 35228), (4120, 17614), (8240, 8807)]