6445660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1907}}^1$

素因数の和:1942

約数の個数: 36

約数和(自身を含む): 14664888

約数和(自身を除く): 8219228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 1907, 3380, 3814, 7628, 9535, 19070, 24791, 38140, 49582, 99164, 123955, 247910, 322283, 495820, 644566, 1289132, 1611415, 3222830, 6445660]

約数ペア:

[(1, 6445660), (2, 3222830), (4, 1611415), (5, 1289132), (10, 644566), (13, 495820), (20, 322283), (26, 247910), (52, 123955), (65, 99164), (130, 49582), (169, 38140), (260, 24791), (338, 19070), (676, 9535), (845, 7628), (1690, 3814), (1907, 3380)]