12978860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17539}}^1$

素因数の和:17585

約数の個数: 24

約数和(自身を含む): 27993840

約数和(自身を除く): 15014980

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 17539, 35078, 70156, 87695, 175390, 350780, 648943, 1297886, 2595772, 3244715, 6489430, 12978860]

約数ペア:

[(1, 12978860), (2, 6489430), (4, 3244715), (5, 2595772), (10, 1297886), (20, 648943), (37, 350780), (74, 175390), (148, 87695), (185, 70156), (370, 35078), (740, 17539)]