56163880

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3433}}^1$

素因数の和:3853

約数の個数: 32

約数和(自身を含む): 126714600

約数和(自身を除く): 70550720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 3433, 4090, 6866, 8180, 13732, 16360, 17165, 27464, 34330, 68660, 137320, 1404097, 2808194, 5616388, 7020485, 11232776, 14040970, 28081940, 56163880]

約数ペア:

[(1, 56163880), (2, 28081940), (4, 14040970), (5, 11232776), (8, 7020485), (10, 5616388), (20, 2808194), (40, 1404097), (409, 137320), (818, 68660), (1636, 34330), (2045, 27464), (3272, 17165), (3433, 16360), (4090, 13732), (6866, 8180)]