40120240

素因数分解:

$2^4\times 5^1\times {\mathrm{501503}}^1$

素因数の和:501516

約数の個数: 20

約数和(自身を含む): 93279744

約数和(自身を除く): 53159504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 501503, 1003006, 2006012, 2507515, 4012024, 5015030, 8024048, 10030060, 20060120, 40120240]

約数ペア:

[(1, 40120240), (2, 20060120), (4, 10030060), (5, 8024048), (8, 5015030), (10, 4012024), (16, 2507515), (20, 2006012), (40, 1003006), (80, 501503)]