2019805960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1231589}}^1$

素因数の和:1231641

約数の個数: 32

約数和(自身を含む): 4655410200

約数和(自身を除く): 2635604240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1231589, 2463178, 4926356, 6157945, 9852712, 12315890, 24631780, 49263560, 50495149, 100990298, 201980596, 252475745, 403961192, 504951490, 1009902980, 2019805960]

約数ペア:

[(1, 2019805960), (2, 1009902980), (4, 504951490), (5, 403961192), (8, 252475745), (10, 201980596), (20, 100990298), (40, 50495149), (41, 49263560), (82, 24631780), (164, 12315890), (205, 9852712), (328, 6157945), (410, 4926356), (820, 2463178), (1640, 1231589)]