12139240

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1933}}^1$

素因数の和:2101

約数の個数: 32

約数和(自身を含む): 27501480

約数和(自身を除く): 15362240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 1933, 3140, 3866, 6280, 7732, 9665, 15464, 19330, 38660, 77320, 303481, 606962, 1213924, 1517405, 2427848, 3034810, 6069620, 12139240]

約数ペア:

[(1, 12139240), (2, 6069620), (4, 3034810), (5, 2427848), (8, 1517405), (10, 1213924), (20, 606962), (40, 303481), (157, 77320), (314, 38660), (628, 19330), (785, 15464), (1256, 9665), (1570, 7732), (1933, 6280), (3140, 3866)]