1026115840

素因数分解:

$2^8\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2297}}^1$

素因数の和:2667

約数の個数: 72

約数和(自身を含む): 2465983800

約数和(自身を除く): 1439867960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 349, 640, 698, 1280, 1396, 1745, 2297, 2792, 3490, 4594, 5584, 6980, 9188, 11168, 11485, 13960, 18376, 22336, 22970, 27920, 36752, 44672, 45940, 55840, 73504, 89344, 91880, 111680, 147008, 183760, 223360, 294016, 367520, 446720, 588032, 735040, 801653, 1470080, 1603306, 2940160, 3206612, 4008265, 6413224, 8016530, 12826448, 16033060, 25652896, 32066120, 51305792, 64132240, 102611584, 128264480, 205223168, 256528960, 513057920, 1026115840]

約数ペア:

[(1, 1026115840), (2, 513057920), (4, 256528960), (5, 205223168), (8, 128264480), (10, 102611584), (16, 64132240), (20, 51305792), (32, 32066120), (40, 25652896), (64, 16033060), (80, 12826448), (128, 8016530), (160, 6413224), (256, 4008265), (320, 3206612), (349, 2940160), (640, 1603306), (698, 1470080), (1280, 801653), (1396, 735040), (1745, 588032), (2297, 446720), (2792, 367520), (3490, 294016), (4594, 223360), (5584, 183760), (6980, 147008), (9188, 111680), (11168, 91880), (11485, 89344), (13960, 73504), (18376, 55840), (22336, 45940), (22970, 44672), (27920, 36752)]