40489040

素因数分解:

$2^4\times 5^1\times {\mathrm{506113}}^1$

素因数の和:506126

約数の個数: 20

約数和(自身を含む): 94137204

約数和(自身を除く): 53648164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506113, 1012226, 2024452, 2530565, 4048904, 5061130, 8097808, 10122260, 20244520, 40489040]

約数ペア:

[(1, 40489040), (2, 20244520), (4, 10122260), (5, 8097808), (8, 5061130), (10, 4048904), (16, 2530565), (20, 2024452), (40, 1012226), (80, 506113)]