159162580

素因数分解:

$2^2\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{4079}}^1$

素因数の和:6039

約数の個数: 24

約数和(自身を含む): 334494720

約数和(自身を除く): 175332140

約数列:

[1, 2, 4, 5, 10, 20, 1951, 3902, 4079, 7804, 8158, 9755, 16316, 19510, 20395, 39020, 40790, 81580, 7958129, 15916258, 31832516, 39790645, 79581290, 159162580]

約数ペア:

[(1, 159162580), (2, 79581290), (4, 39790645), (5, 31832516), (10, 15916258), (20, 7958129), (1951, 81580), (3902, 40790), (4079, 39020), (7804, 20395), (8158, 19510), (9755, 16316)]