54728680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 128874240

約数和(自身を除く): 74145560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 677, 860, 940, 1354, 1720, 1880, 2021, 2708, 3385, 4042, 5416, 6770, 8084, 10105, 13540, 16168, 20210, 27080, 29111, 31819, 40420, 58222, 63638, 80840, 116444, 127276, 145555, 159095, 232888, 254552, 291110, 318190, 582220, 636380, 1164440, 1272760, 1368217, 2736434, 5472868, 6841085, 10945736, 13682170, 27364340, 54728680]

約数ペア:

[(1, 54728680), (2, 27364340), (4, 13682170), (5, 10945736), (8, 6841085), (10, 5472868), (20, 2736434), (40, 1368217), (43, 1272760), (47, 1164440), (86, 636380), (94, 582220), (172, 318190), (188, 291110), (215, 254552), (235, 232888), (344, 159095), (376, 145555), (430, 127276), (470, 116444), (677, 80840), (860, 63638), (940, 58222), (1354, 40420), (1720, 31819), (1880, 29111), (2021, 27080), (2708, 20210), (3385, 16168), (4042, 13540), (5416, 10105), (6770, 8084)]