31728980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 69809040

約数和(自身を除く): 38080060

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 530, 740, 809, 1060, 1618, 1961, 3236, 3922, 4045, 7844, 8090, 9805, 16180, 19610, 29933, 39220, 42877, 59866, 85754, 119732, 149665, 171508, 214385, 299330, 428770, 598660, 857540, 1586449, 3172898, 6345796, 7932245, 15864490, 31728980]

約数ペア:

[(1, 31728980), (2, 15864490), (4, 7932245), (5, 6345796), (10, 3172898), (20, 1586449), (37, 857540), (53, 598660), (74, 428770), (106, 299330), (148, 214385), (185, 171508), (212, 149665), (265, 119732), (370, 85754), (530, 59866), (740, 42877), (809, 39220), (1060, 29933), (1618, 19610), (1961, 16180), (3236, 9805), (3922, 8090), (4045, 7844)]