40456880

素因数分解:

$2^4\times 5^1\times {\mathrm{505711}}^1$

素因数の和:505724

約数の個数: 20

約数和(自身を含む): 94062432

約数和(自身を除く): 53605552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 505711, 1011422, 2022844, 2528555, 4045688, 5057110, 8091376, 10114220, 20228440, 40456880]

約数ペア:

[(1, 40456880), (2, 20228440), (4, 10114220), (5, 8091376), (8, 5057110), (10, 4045688), (16, 2528555), (20, 2022844), (40, 1011422), (80, 505711)]