28991860

素因数分解:

$2^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1951}}^1$

素因数の和:2703

約数の個数: 24

約数和(自身を含む): 60996096

約数和(自身を除く): 32004236

約数列:

[1, 2, 4, 5, 10, 20, 743, 1486, 1951, 2972, 3715, 3902, 7430, 7804, 9755, 14860, 19510, 39020, 1449593, 2899186, 5798372, 7247965, 14495930, 28991860]

約数ペア:

[(1, 28991860), (2, 14495930), (4, 7247965), (5, 5798372), (10, 2899186), (20, 1449593), (743, 39020), (1486, 19510), (1951, 14860), (2972, 9755), (3715, 7804), (3902, 7430)]