2578808656

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 5247664128

約数和(自身を除く): 2668855472

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 163, 167, 191, 248, 326, 334, 382, 496, 652, 668, 764, 1304, 1336, 1528, 2608, 2672, 3056, 5053, 5177, 5921, 10106, 10354, 11842, 20212, 20708, 23684, 27221, 31133, 31897, 40424, 41416, 47368, 54442, 62266, 63794, 80848, 82832, 94736, 108884, 124532, 127588, 217768, 249064, 255176, 435536, 498128, 510352, 843851, 965123, 988807, 1687702, 1930246, 1977614, 3375404, 3860492, 3955228, 5199211, 6750808, 7720984, 7910456, 10398422, 13501616, 15441968, 15820912, 20796844, 41593688, 83187376, 161175541, 322351082, 644702164, 1289404328, 2578808656]

約数ペア:

[(1, 2578808656), (2, 1289404328), (4, 644702164), (8, 322351082), (16, 161175541), (31, 83187376), (62, 41593688), (124, 20796844), (163, 15820912), (167, 15441968), (191, 13501616), (248, 10398422), (326, 7910456), (334, 7720984), (382, 6750808), (496, 5199211), (652, 3955228), (668, 3860492), (764, 3375404), (1304, 1977614), (1336, 1930246), (1528, 1687702), (2608, 988807), (2672, 965123), (3056, 843851), (5053, 510352), (5177, 498128), (5921, 435536), (10106, 255176), (10354, 249064), (11842, 217768), (20212, 127588), (20708, 124532), (23684, 108884), (27221, 94736), (31133, 82832), (31897, 80848), (40424, 63794), (41416, 62266), (47368, 54442)]