80657180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1511}}^1$

素因数の和:1694

約数の個数: 48

約数和(自身を含む): 180605376

約数和(自身を除く): 99948196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 314, 340, 628, 785, 1511, 1570, 2669, 3022, 3140, 5338, 6044, 7555, 10676, 13345, 15110, 25687, 26690, 30220, 51374, 53380, 102748, 128435, 237227, 256870, 474454, 513740, 948908, 1186135, 2372270, 4032859, 4744540, 8065718, 16131436, 20164295, 40328590, 80657180]

約数ペア:

[(1, 80657180), (2, 40328590), (4, 20164295), (5, 16131436), (10, 8065718), (17, 4744540), (20, 4032859), (34, 2372270), (68, 1186135), (85, 948908), (157, 513740), (170, 474454), (314, 256870), (340, 237227), (628, 128435), (785, 102748), (1511, 53380), (1570, 51374), (2669, 30220), (3022, 26690), (3140, 25687), (5338, 15110), (6044, 13345), (7555, 10676)]