2012637520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{613609}}^1$

素因数の和:613663

約数の個数: 40

約数和(自身を含む): 4793521320

約数和(自身を除く): 2780883800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 613609, 1227218, 2454436, 3068045, 4908872, 6136090, 9817744, 12272180, 24544360, 25157969, 49088720, 50315938, 100631876, 125789845, 201263752, 251579690, 402527504, 503159380, 1006318760, 2012637520]

約数ペア:

[(1, 2012637520), (2, 1006318760), (4, 503159380), (5, 402527504), (8, 251579690), (10, 201263752), (16, 125789845), (20, 100631876), (40, 50315938), (41, 49088720), (80, 25157969), (82, 24544360), (164, 12272180), (205, 9817744), (328, 6136090), (410, 4908872), (656, 3068045), (820, 2454436), (1640, 1227218), (3280, 613609)]