211676829680

素因数分解:

$2^4\times 5^1\times {\mathrm{2645960371}}^1$

素因数の和:2645960384

約数の個数: 20

約数和(自身を含む): 492148629192

約数和(自身を除く): 280471799512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2645960371, 5291920742, 10583841484, 13229801855, 21167682968, 26459603710, 42335365936, 52919207420, 105838414840, 211676829680]

約数ペア:

[(1, 211676829680), (2, 105838414840), (4, 52919207420), (5, 42335365936), (8, 26459603710), (10, 21167682968), (16, 13229801855), (20, 10583841484), (40, 5291920742), (80, 2645960371)]