31452125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 48

約数和(自身を含む): 44933616

約数和(自身を除く): 13481491

約数列:

[1, 5, 17, 19, 25, 41, 85, 95, 125, 205, 323, 361, 425, 475, 697, 779, 1025, 1615, 1805, 2125, 2375, 3485, 3895, 5125, 6137, 8075, 9025, 13243, 14801, 17425, 19475, 30685, 40375, 45125, 66215, 74005, 87125, 97375, 153425, 251617, 331075, 370025, 767125, 1258085, 1655375, 1850125, 6290425, 31452125]

約数ペア:

[(1, 31452125), (5, 6290425), (17, 1850125), (19, 1655375), (25, 1258085), (41, 767125), (85, 370025), (95, 331075), (125, 251617), (205, 153425), (323, 97375), (361, 87125), (425, 74005), (475, 66215), (697, 45125), (779, 40375), (1025, 30685), (1615, 19475), (1805, 17425), (2125, 14801), (2375, 13243), (3485, 9025), (3895, 8075), (5125, 6137)]