1878756875

素因数分解:

$5^4\times {\mathrm{83}}^1\times {\mathrm{36217}}^1$

素因数の和:36320

約数の個数: 20

約数和(自身を含む): 2376045672

約数和(自身を除く): 497288797

約数列:

[1, 5, 25, 83, 125, 415, 625, 2075, 10375, 36217, 51875, 181085, 905425, 3006011, 4527125, 15030055, 22635625, 75150275, 375751375, 1878756875]

約数ペア:

[(1, 1878756875), (5, 375751375), (25, 75150275), (83, 22635625), (125, 15030055), (415, 4527125), (625, 3006011), (2075, 905425), (10375, 181085), (36217, 51875)]