2987666720

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{455437}}^1$

素因数の和:455493

約数の個数: 48

約数和(自身を含む): 7230533688

約数和(自身を除く): 4242866968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 455437, 910874, 1821748, 2277185, 3643496, 4554370, 7286992, 9108740, 14573984, 18217480, 18672917, 36434960, 37345834, 72869920, 74691668, 93364585, 149383336, 186729170, 298766672, 373458340, 597533344, 746916680, 1493833360, 2987666720]

約数ペア:

[(1, 2987666720), (2, 1493833360), (4, 746916680), (5, 597533344), (8, 373458340), (10, 298766672), (16, 186729170), (20, 149383336), (32, 93364585), (40, 74691668), (41, 72869920), (80, 37345834), (82, 36434960), (160, 18672917), (164, 18217480), (205, 14573984), (328, 9108740), (410, 7286992), (656, 4554370), (820, 3643496), (1312, 2277185), (1640, 1821748), (3280, 910874), (6560, 455437)]