40556840

素因数分解:

$2^3\times 5^1\times {\mathrm{1013921}}^1$

素因数の和:1013932

約数の個数: 16

約数和(自身を含む): 91252980

約数和(自身を除く): 50696140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013921, 2027842, 4055684, 5069605, 8111368, 10139210, 20278420, 40556840]

約数ペア:

[(1, 40556840), (2, 20278420), (4, 10139210), (5, 8111368), (8, 5069605), (10, 4055684), (20, 2027842), (40, 1013921)]