129228760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{75133}}^1$

素因数の和:75187

約数の個数: 32

約数和(自身を含む): 297530640

約数和(自身を除く): 168301880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 75133, 150266, 300532, 375665, 601064, 751330, 1502660, 3005320, 3230719, 6461438, 12922876, 16153595, 25845752, 32307190, 64614380, 129228760]

約数ペア:

[(1, 129228760), (2, 64614380), (4, 32307190), (5, 25845752), (8, 16153595), (10, 12922876), (20, 6461438), (40, 3230719), (43, 3005320), (86, 1502660), (172, 751330), (215, 601064), (344, 375665), (430, 300532), (860, 150266), (1720, 75133)]