10997680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 27498240

約数和(自身を除く): 16500560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 139, 172, 184, 215, 230, 278, 344, 368, 430, 460, 556, 688, 695, 860, 920, 989, 1112, 1390, 1720, 1840, 1978, 2224, 2780, 3197, 3440, 3956, 4945, 5560, 5977, 6394, 7912, 9890, 11120, 11954, 12788, 15824, 15985, 19780, 23908, 25576, 29885, 31970, 39560, 47816, 51152, 59770, 63940, 79120, 95632, 119540, 127880, 137471, 239080, 255760, 274942, 478160, 549884, 687355, 1099768, 1374710, 2199536, 2749420, 5498840, 10997680]

約数ペア:

[(1, 10997680), (2, 5498840), (4, 2749420), (5, 2199536), (8, 1374710), (10, 1099768), (16, 687355), (20, 549884), (23, 478160), (40, 274942), (43, 255760), (46, 239080), (80, 137471), (86, 127880), (92, 119540), (115, 95632), (139, 79120), (172, 63940), (184, 59770), (215, 51152), (230, 47816), (278, 39560), (344, 31970), (368, 29885), (430, 25576), (460, 23908), (556, 19780), (688, 15985), (695, 15824), (860, 12788), (920, 11954), (989, 11120), (1112, 9890), (1390, 7912), (1720, 6394), (1840, 5977), (1978, 5560), (2224, 4945), (2780, 3956), (3197, 3440)]