99691520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19471}}^1$

素因数の和:19496

約数の個数: 44

約数和(自身を含む): 239155104

約数和(自身を除く): 139463584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 19471, 38942, 77884, 97355, 155768, 194710, 311536, 389420, 623072, 778840, 1246144, 1557680, 2492288, 3115360, 4984576, 6230720, 9969152, 12461440, 19938304, 24922880, 49845760, 99691520]

約数ペア:

[(1, 99691520), (2, 49845760), (4, 24922880), (5, 19938304), (8, 12461440), (10, 9969152), (16, 6230720), (20, 4984576), (32, 3115360), (40, 2492288), (64, 1557680), (80, 1246144), (128, 778840), (160, 623072), (256, 389420), (320, 311536), (512, 194710), (640, 155768), (1024, 97355), (1280, 77884), (2560, 38942), (5120, 19471)]