128757760

素因数分解:

$2^{12}\times 5^1\times {\mathrm{6287}}^1$

素因数の和:6316

約数の個数: 52

約数和(自身を含む): 309030048

約数和(自身を除く): 180272288

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, 4096, 5120, 6287, 10240, 12574, 20480, 25148, 31435, 50296, 62870, 100592, 125740, 201184, 251480, 402368, 502960, 804736, 1005920, 1609472, 2011840, 3218944, 4023680, 6437888, 8047360, 12875776, 16094720, 25751552, 32189440, 64378880, 128757760]

約数ペア:

[(1, 128757760), (2, 64378880), (4, 32189440), (5, 25751552), (8, 16094720), (10, 12875776), (16, 8047360), (20, 6437888), (32, 4023680), (40, 3218944), (64, 2011840), (80, 1609472), (128, 1005920), (160, 804736), (256, 502960), (320, 402368), (512, 251480), (640, 201184), (1024, 125740), (1280, 100592), (2048, 62870), (2560, 50296), (4096, 31435), (5120, 25148), (6287, 20480), (10240, 12574)]