40855600

素因数分解:

$2^4\times 5^2\times {\mathrm{102139}}^1$

素因数の和:102157

約数の個数: 30

約数和(自身を含む): 98156540

約数和(自身を除く): 57300940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 102139, 204278, 408556, 510695, 817112, 1021390, 1634224, 2042780, 2553475, 4085560, 5106950, 8171120, 10213900, 20427800, 40855600]

約数ペア:

[(1, 40855600), (2, 20427800), (4, 10213900), (5, 8171120), (8, 5106950), (10, 4085560), (16, 2553475), (20, 2042780), (25, 1634224), (40, 1021390), (50, 817112), (80, 510695), (100, 408556), (200, 204278), (400, 102139)]