81363200

素因数分解:

$2^8\times 5^2\times {\mathrm{12713}}^1$

素因数の和:12739

約数の個数: 54

約数和(自身を含む): 201402474

約数和(自身を除く): 120039274

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 12713, 25426, 50852, 63565, 101704, 127130, 203408, 254260, 317825, 406816, 508520, 635650, 813632, 1017040, 1271300, 1627264, 2034080, 2542600, 3254528, 4068160, 5085200, 8136320, 10170400, 16272640, 20340800, 40681600, 81363200]

約数ペア:

[(1, 81363200), (2, 40681600), (4, 20340800), (5, 16272640), (8, 10170400), (10, 8136320), (16, 5085200), (20, 4068160), (25, 3254528), (32, 2542600), (40, 2034080), (50, 1627264), (64, 1271300), (80, 1017040), (100, 813632), (128, 635650), (160, 508520), (200, 406816), (256, 317825), (320, 254260), (400, 203408), (640, 127130), (800, 101704), (1280, 63565), (1600, 50852), (3200, 25426), (6400, 12713)]