42045680

素因数分解:

$2^4\times 5^1\times {\mathrm{525571}}^1$

素因数の和:525584

約数の個数: 20

約数和(自身を含む): 97756392

約数和(自身を除く): 55710712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 525571, 1051142, 2102284, 2627855, 4204568, 5255710, 8409136, 10511420, 21022840, 42045680]

約数ペア:

[(1, 42045680), (2, 21022840), (4, 10511420), (5, 8409136), (8, 5255710), (10, 4204568), (16, 2627855), (20, 2102284), (40, 1051142), (80, 525571)]