208070840

素因数分解:

$2^3\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{2441}}^1$

素因数の和:4583

約数の個数: 32

約数和(自身を含む): 468570960

約数和(自身を除く): 260500120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2131, 2441, 4262, 4882, 8524, 9764, 10655, 12205, 17048, 19528, 21310, 24410, 42620, 48820, 85240, 97640, 5201771, 10403542, 20807084, 26008855, 41614168, 52017710, 104035420, 208070840]

約数ペア:

[(1, 208070840), (2, 104035420), (4, 52017710), (5, 41614168), (8, 26008855), (10, 20807084), (20, 10403542), (40, 5201771), (2131, 97640), (2441, 85240), (4262, 48820), (4882, 42620), (8524, 24410), (9764, 21310), (10655, 19528), (12205, 17048)]