207880660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19501}}^1$

素因数の和:19564

約数の個数: 48

約数和(自身を含む): 481621392

約数和(自身を除く): 273740732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 19501, 39002, 78004, 97505, 195010, 253513, 390020, 507026, 799541, 1014052, 1267565, 1599082, 2535130, 3198164, 3997705, 5070260, 7995410, 10394033, 15990820, 20788066, 41576132, 51970165, 103940330, 207880660]

約数ペア:

[(1, 207880660), (2, 103940330), (4, 51970165), (5, 41576132), (10, 20788066), (13, 15990820), (20, 10394033), (26, 7995410), (41, 5070260), (52, 3997705), (65, 3198164), (82, 2535130), (130, 1599082), (164, 1267565), (205, 1014052), (260, 799541), (410, 507026), (533, 390020), (820, 253513), (1066, 195010), (2132, 97505), (2665, 78004), (5330, 39002), (10660, 19501)]