28408035520

素因数分解:

$2^6\times 5^1\times {\mathrm{269}}^1\times {\mathrm{330019}}^1$

素因数の和:330305

約数の個数: 56

約数和(自身を含む): 67898314800

約数和(自身を除く): 39490279280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 269, 320, 538, 1076, 1345, 2152, 2690, 4304, 5380, 8608, 10760, 17216, 21520, 43040, 86080, 330019, 660038, 1320076, 1650095, 2640152, 3300190, 5280304, 6600380, 10560608, 13200760, 21121216, 26401520, 52803040, 88775111, 105606080, 177550222, 355100444, 443875555, 710200888, 887751110, 1420401776, 1775502220, 2840803552, 3551004440, 5681607104, 7102008880, 14204017760, 28408035520]

約数ペア:

[(1, 28408035520), (2, 14204017760), (4, 7102008880), (5, 5681607104), (8, 3551004440), (10, 2840803552), (16, 1775502220), (20, 1420401776), (32, 887751110), (40, 710200888), (64, 443875555), (80, 355100444), (160, 177550222), (269, 105606080), (320, 88775111), (538, 52803040), (1076, 26401520), (1345, 21121216), (2152, 13200760), (2690, 10560608), (4304, 6600380), (5380, 5280304), (8608, 3300190), (10760, 2640152), (17216, 1650095), (21520, 1320076), (43040, 660038), (86080, 330019)]