2000560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1471}}^1$

素因数の和:1501

約数の個数: 40

約数和(自身を含む): 4928256

約数和(自身を除く): 2927696

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1471, 2942, 5884, 7355, 11768, 14710, 23536, 25007, 29420, 50014, 58840, 100028, 117680, 125035, 200056, 250070, 400112, 500140, 1000280, 2000560]

約数ペア:

[(1, 2000560), (2, 1000280), (4, 500140), (5, 400112), (8, 250070), (10, 200056), (16, 125035), (17, 117680), (20, 100028), (34, 58840), (40, 50014), (68, 29420), (80, 25007), (85, 23536), (136, 14710), (170, 11768), (272, 7355), (340, 5884), (680, 2942), (1360, 1471)]