68834380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{38671}}^1$

素因数の和:38769

約数の個数: 24

約数和(自身を含む): 146180160

約数和(自身を除く): 77345780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 38671, 77342, 154684, 193355, 386710, 773420, 3441719, 6883438, 13766876, 17208595, 34417190, 68834380]

約数ペア:

[(1, 68834380), (2, 34417190), (4, 17208595), (5, 13766876), (10, 6883438), (20, 3441719), (89, 773420), (178, 386710), (356, 193355), (445, 154684), (890, 77342), (1780, 38671)]