1283035960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{782339}}^1$

素因数の和:782391

約数の個数: 32

約数和(自身を含む): 2957245200

約数和(自身を除く): 1674209240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 782339, 1564678, 3129356, 3911695, 6258712, 7823390, 15646780, 31293560, 32075899, 64151798, 128303596, 160379495, 256607192, 320758990, 641517980, 1283035960]

約数ペア:

[(1, 1283035960), (2, 641517980), (4, 320758990), (5, 256607192), (8, 160379495), (10, 128303596), (20, 64151798), (40, 32075899), (41, 31293560), (82, 15646780), (164, 7823390), (205, 6258712), (328, 3911695), (410, 3129356), (820, 1564678), (1640, 782339)]