208021160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167759}}^1$

素因数の和:167801

約数の個数: 32

約数和(自身を含む): 483148800

約数和(自身を除く): 275127640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 167759, 335518, 671036, 838795, 1342072, 1677590, 3355180, 5200529, 6710360, 10401058, 20802116, 26002645, 41604232, 52005290, 104010580, 208021160]

約数ペア:

[(1, 208021160), (2, 104010580), (4, 52005290), (5, 41604232), (8, 26002645), (10, 20802116), (20, 10401058), (31, 6710360), (40, 5200529), (62, 3355180), (124, 1677590), (155, 1342072), (248, 838795), (310, 671036), (620, 335518), (1240, 167759)]