961646080

素因数分解:

$2^9\times 5^1\times {\mathrm{375643}}^1$

素因数の和:375666

約数の個数: 40

約数和(自身を含む): 2305702872

約数和(自身を除く): 1344056792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 375643, 751286, 1502572, 1878215, 3005144, 3756430, 6010288, 7512860, 12020576, 15025720, 24041152, 30051440, 48082304, 60102880, 96164608, 120205760, 192329216, 240411520, 480823040, 961646080]

約数ペア:

[(1, 961646080), (2, 480823040), (4, 240411520), (5, 192329216), (8, 120205760), (10, 96164608), (16, 60102880), (20, 48082304), (32, 30051440), (40, 24041152), (64, 15025720), (80, 12020576), (128, 7512860), (160, 6010288), (256, 3756430), (320, 3005144), (512, 1878215), (640, 1502572), (1280, 751286), (2560, 375643)]