29818520

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3533}}^1$

素因数の和:3755

約数の個数: 32

約数和(自身を含む): 67428720

約数和(自身を除く): 37610200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 3533, 4220, 7066, 8440, 14132, 17665, 28264, 35330, 70660, 141320, 745463, 1490926, 2981852, 3727315, 5963704, 7454630, 14909260, 29818520]

約数ペア:

[(1, 29818520), (2, 14909260), (4, 7454630), (5, 5963704), (8, 3727315), (10, 2981852), (20, 1490926), (40, 745463), (211, 141320), (422, 70660), (844, 35330), (1055, 28264), (1688, 17665), (2110, 14132), (3533, 8440), (4220, 7066)]