84219760

素因数分解:

$2^4\times 5^1\times {\mathrm{1052747}}^1$

素因数の和:1052760

約数の個数: 20

約数和(自身を含む): 195811128

約数和(自身を除く): 111591368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1052747, 2105494, 4210988, 5263735, 8421976, 10527470, 16843952, 21054940, 42109880, 84219760]

約数ペア:

[(1, 84219760), (2, 42109880), (4, 21054940), (5, 16843952), (8, 10527470), (10, 8421976), (16, 5263735), (20, 4210988), (40, 2105494), (80, 1052747)]