4727747720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{22699}}^1$

素因数の和:22878

約数の個数: 64

約数和(自身を含む): 10983168000

約数和(自身を除く): 6255420280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 127, 164, 205, 254, 328, 410, 508, 635, 820, 1016, 1270, 1640, 2540, 5080, 5207, 10414, 20828, 22699, 26035, 41656, 45398, 52070, 90796, 104140, 113495, 181592, 208280, 226990, 453980, 907960, 930659, 1861318, 2882773, 3722636, 4653295, 5765546, 7445272, 9306590, 11531092, 14413865, 18613180, 23062184, 28827730, 37226360, 57655460, 115310920, 118193693, 236387386, 472774772, 590968465, 945549544, 1181936930, 2363873860, 4727747720]

約数ペア:

[(1, 4727747720), (2, 2363873860), (4, 1181936930), (5, 945549544), (8, 590968465), (10, 472774772), (20, 236387386), (40, 118193693), (41, 115310920), (82, 57655460), (127, 37226360), (164, 28827730), (205, 23062184), (254, 18613180), (328, 14413865), (410, 11531092), (508, 9306590), (635, 7445272), (820, 5765546), (1016, 4653295), (1270, 3722636), (1640, 2882773), (2540, 1861318), (5080, 930659), (5207, 907960), (10414, 453980), (20828, 226990), (22699, 208280), (26035, 181592), (41656, 113495), (45398, 104140), (52070, 90796)]