64378880

素因数分解:

$2^{11}\times 5^1\times {\mathrm{6287}}^1$

素因数の和:6314

約数の個数: 48

約数和(自身を含む): 154496160

約数和(自身を除く): 90117280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 6287, 10240, 12574, 25148, 31435, 50296, 62870, 100592, 125740, 201184, 251480, 402368, 502960, 804736, 1005920, 1609472, 2011840, 3218944, 4023680, 6437888, 8047360, 12875776, 16094720, 32189440, 64378880]

約数ペア:

[(1, 64378880), (2, 32189440), (4, 16094720), (5, 12875776), (8, 8047360), (10, 6437888), (16, 4023680), (20, 3218944), (32, 2011840), (40, 1609472), (64, 1005920), (80, 804736), (128, 502960), (160, 402368), (256, 251480), (320, 201184), (512, 125740), (640, 100592), (1024, 62870), (1280, 50296), (2048, 31435), (2560, 25148), (5120, 12574), (6287, 10240)]