72811520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{14221}}^1$

素因数の和:14246

約数の個数: 44

約数和(自身を含む): 174674604

約数和(自身を除く): 101863084

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, 14221, 28442, 56884, 71105, 113768, 142210, 227536, 284420, 455072, 568840, 910144, 1137680, 1820288, 2275360, 3640576, 4550720, 7281152, 9101440, 14562304, 18202880, 36405760, 72811520]

約数ペア:

[(1, 72811520), (2, 36405760), (4, 18202880), (5, 14562304), (8, 9101440), (10, 7281152), (16, 4550720), (20, 3640576), (32, 2275360), (40, 1820288), (64, 1137680), (80, 910144), (128, 568840), (160, 455072), (256, 284420), (320, 227536), (512, 142210), (640, 113768), (1024, 71105), (1280, 56884), (2560, 28442), (5120, 14221)]