8541440

素因数分解:

$2^8\times 5^1\times {\mathrm{6673}}^1$

素因数の和:6694

約数の個数: 36

約数和(自身を含む): 20462484

約数和(自身を除く): 11921044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 6673, 13346, 26692, 33365, 53384, 66730, 106768, 133460, 213536, 266920, 427072, 533840, 854144, 1067680, 1708288, 2135360, 4270720, 8541440]

約数ペア:

[(1, 8541440), (2, 4270720), (4, 2135360), (5, 1708288), (8, 1067680), (10, 854144), (16, 533840), (20, 427072), (32, 266920), (40, 213536), (64, 133460), (80, 106768), (128, 66730), (160, 53384), (256, 33365), (320, 26692), (640, 13346), (1280, 6673)]