2078487920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{8623}}^1$

素因数の和:8790

約数の個数: 80

約数和(自身を含む): 5081674752

約数和(自身を除く): 3003186832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 131, 184, 230, 262, 368, 460, 524, 655, 920, 1048, 1310, 1840, 2096, 2620, 3013, 5240, 6026, 8623, 10480, 12052, 15065, 17246, 24104, 30130, 34492, 43115, 48208, 60260, 68984, 86230, 120520, 137968, 172460, 198329, 241040, 344920, 396658, 689840, 793316, 991645, 1129613, 1586632, 1983290, 2259226, 3173264, 3966580, 4518452, 5648065, 7933160, 9036904, 11296130, 15866320, 18073808, 22592260, 25981099, 45184520, 51962198, 90369040, 103924396, 129905495, 207848792, 259810990, 415697584, 519621980, 1039243960, 2078487920]

約数ペア:

[(1, 2078487920), (2, 1039243960), (4, 519621980), (5, 415697584), (8, 259810990), (10, 207848792), (16, 129905495), (20, 103924396), (23, 90369040), (40, 51962198), (46, 45184520), (80, 25981099), (92, 22592260), (115, 18073808), (131, 15866320), (184, 11296130), (230, 9036904), (262, 7933160), (368, 5648065), (460, 4518452), (524, 3966580), (655, 3173264), (920, 2259226), (1048, 1983290), (1310, 1586632), (1840, 1129613), (2096, 991645), (2620, 793316), (3013, 689840), (5240, 396658), (6026, 344920), (8623, 241040), (10480, 198329), (12052, 172460), (15065, 137968), (17246, 120520), (24104, 86230), (30130, 68984), (34492, 60260), (43115, 48208)]