29215720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13781}}^1$

素因数の和:13845

約数の個数: 32

約数和(自身を含む): 66980520

約数和(自身を除く): 37764800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13781, 27562, 55124, 68905, 110248, 137810, 275620, 551240, 730393, 1460786, 2921572, 3651965, 5843144, 7303930, 14607860, 29215720]

約数ペア:

[(1, 29215720), (2, 14607860), (4, 7303930), (5, 5843144), (8, 3651965), (10, 2921572), (20, 1460786), (40, 730393), (53, 551240), (106, 275620), (212, 137810), (265, 110248), (424, 68905), (530, 55124), (1060, 27562), (2120, 13781)]