166485625

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:223

約数の個数: 40

約数和(自身を含む): 218461320

約数和(自身を除く): 51975695

約数列:

[1, 5, 25, 41, 73, 89, 125, 205, 365, 445, 625, 1025, 1825, 2225, 2993, 3649, 5125, 6497, 9125, 11125, 14965, 18245, 25625, 32485, 45625, 55625, 74825, 91225, 162425, 266377, 374125, 456125, 812125, 1331885, 1870625, 2280625, 4060625, 6659425, 33297125, 166485625]

約数ペア:

[(1, 166485625), (5, 33297125), (25, 6659425), (41, 4060625), (73, 2280625), (89, 1870625), (125, 1331885), (205, 812125), (365, 456125), (445, 374125), (625, 266377), (1025, 162425), (1825, 91225), (2225, 74825), (2993, 55625), (3649, 45625), (5125, 32485), (6497, 25625), (9125, 18245), (11125, 14965)]