2008082120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{414893}}^1$

素因数の和:414926

約数の個数: 48

約数和(自身を含む): 4966281180

約数和(自身を除く): 2958199060

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 414893, 829786, 1659572, 2074465, 3319144, 4148930, 4563823, 8297860, 9127646, 16595720, 18255292, 22819115, 36510584, 45638230, 50202053, 91276460, 100404106, 182552920, 200808212, 251010265, 401616424, 502020530, 1004041060, 2008082120]

約数ペア:

[(1, 2008082120), (2, 1004041060), (4, 502020530), (5, 401616424), (8, 251010265), (10, 200808212), (11, 182552920), (20, 100404106), (22, 91276460), (40, 50202053), (44, 45638230), (55, 36510584), (88, 22819115), (110, 18255292), (121, 16595720), (220, 9127646), (242, 8297860), (440, 4563823), (484, 4148930), (605, 3319144), (968, 2074465), (1210, 1659572), (2420, 829786), (4840, 414893)]