71417320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137341}}^1$

素因数の和:137365

約数の個数: 32

約数和(自身を含む): 173050920

約数和(自身を除く): 101633600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137341, 274682, 549364, 686705, 1098728, 1373410, 1785433, 2746820, 3570866, 5493640, 7141732, 8927165, 14283464, 17854330, 35708660, 71417320]

約数ペア:

[(1, 71417320), (2, 35708660), (4, 17854330), (5, 14283464), (8, 8927165), (10, 7141732), (13, 5493640), (20, 3570866), (26, 2746820), (40, 1785433), (52, 1373410), (65, 1098728), (104, 686705), (130, 549364), (260, 274682), (520, 137341)]