82009040

素因数分解:

$2^4\times 5^1\times {\mathrm{1025113}}^1$

素因数の和:1025126

約数の個数: 20

約数和(自身を含む): 190671204

約数和(自身を除く): 108662164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1025113, 2050226, 4100452, 5125565, 8200904, 10251130, 16401808, 20502260, 41004520, 82009040]

約数ペア:

[(1, 82009040), (2, 41004520), (4, 20502260), (5, 16401808), (8, 10251130), (10, 8200904), (16, 5125565), (20, 4100452), (40, 2050226), (80, 1025113)]