2081196080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{634511}}^1$

素因数の和:634565

約数の個数: 40

約数和(自身を含む): 4956807744

約数和(自身を除く): 2875611664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 634511, 1269022, 2538044, 3172555, 5076088, 6345110, 10152176, 12690220, 25380440, 26014951, 50760880, 52029902, 104059804, 130074755, 208119608, 260149510, 416239216, 520299020, 1040598040, 2081196080]

約数ペア:

[(1, 2081196080), (2, 1040598040), (4, 520299020), (5, 416239216), (8, 260149510), (10, 208119608), (16, 130074755), (20, 104059804), (40, 52029902), (41, 50760880), (80, 26014951), (82, 25380440), (164, 12690220), (205, 10152176), (328, 6345110), (410, 5076088), (656, 3172555), (820, 2538044), (1640, 1269022), (3280, 634511)]