804556220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1487}}^1\times {\mathrm{2081}}^1$

素因数の和:3590

約数の個数: 48

約数和(自身を含む): 1821633408

約数和(自身を除く): 1017077188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1487, 2081, 2974, 4162, 5948, 7435, 8324, 10405, 14870, 19331, 20810, 27053, 29740, 38662, 41620, 54106, 77324, 96655, 108212, 135265, 193310, 270530, 386620, 541060, 3094447, 6188894, 12377788, 15472235, 30944470, 40227811, 61888940, 80455622, 160911244, 201139055, 402278110, 804556220]

約数ペア:

[(1, 804556220), (2, 402278110), (4, 201139055), (5, 160911244), (10, 80455622), (13, 61888940), (20, 40227811), (26, 30944470), (52, 15472235), (65, 12377788), (130, 6188894), (260, 3094447), (1487, 541060), (2081, 386620), (2974, 270530), (4162, 193310), (5948, 135265), (7435, 108212), (8324, 96655), (10405, 77324), (14870, 54106), (19331, 41620), (20810, 38662), (27053, 29740)]