80405005

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1\times {\mathrm{619}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 98118720

約数和(自身を除く): 17713715

約数列:

[1, 5, 83, 313, 415, 619, 1565, 3095, 25979, 51377, 129895, 193747, 256885, 968735, 16081001, 80405005]

約数ペア:

[(1, 80405005), (5, 16081001), (83, 968735), (313, 256885), (415, 193747), (619, 129895), (1565, 51377), (3095, 25979)]