64077320

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{6091}}^1$

素因数の和:6365

約数の個数: 32

約数和(自身を含む): 144745920

約数和(自身を除く): 80668600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 6091, 10520, 12182, 24364, 30455, 48728, 60910, 121820, 243640, 1601933, 3203866, 6407732, 8009665, 12815464, 16019330, 32038660, 64077320]

約数ペア:

[(1, 64077320), (2, 32038660), (4, 16019330), (5, 12815464), (8, 8009665), (10, 6407732), (20, 3203866), (40, 1601933), (263, 243640), (526, 121820), (1052, 60910), (1315, 48728), (2104, 30455), (2630, 24364), (5260, 12182), (6091, 10520)]