57129080

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{13103}}^1$

素因数の和:13223

約数の個数: 32

約数和(自身を含む): 129729600

約数和(自身を除く): 72600520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 13103, 26206, 52412, 65515, 104824, 131030, 262060, 524120, 1428227, 2856454, 5712908, 7141135, 11425816, 14282270, 28564540, 57129080]

約数ペア:

[(1, 57129080), (2, 28564540), (4, 14282270), (5, 11425816), (8, 7141135), (10, 5712908), (20, 2856454), (40, 1428227), (109, 524120), (218, 262060), (436, 131030), (545, 104824), (872, 65515), (1090, 52412), (2180, 26206), (4360, 13103)]