825535580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{6691}}^1$

素因数の和:6930

約数の個数: 48

約数和(自身を含む): 1798809600

約数和(自身を除く): 973274020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 199, 310, 398, 620, 796, 995, 1990, 3980, 6169, 6691, 12338, 13382, 24676, 26764, 30845, 33455, 61690, 66910, 123380, 133820, 207421, 414842, 829684, 1037105, 1331509, 2074210, 2663018, 4148420, 5326036, 6657545, 13315090, 26630180, 41276779, 82553558, 165107116, 206383895, 412767790, 825535580]

約数ペア:

[(1, 825535580), (2, 412767790), (4, 206383895), (5, 165107116), (10, 82553558), (20, 41276779), (31, 26630180), (62, 13315090), (124, 6657545), (155, 5326036), (199, 4148420), (310, 2663018), (398, 2074210), (620, 1331509), (796, 1037105), (995, 829684), (1990, 414842), (3980, 207421), (6169, 133820), (6691, 123380), (12338, 66910), (13382, 61690), (24676, 33455), (26764, 30845)]