671320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1291}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 1627920

約数和(自身を除く): 956600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1291, 2582, 5164, 6455, 10328, 12910, 16783, 25820, 33566, 51640, 67132, 83915, 134264, 167830, 335660, 671320]

約数ペア:

[(1, 671320), (2, 335660), (4, 167830), (5, 134264), (8, 83915), (10, 67132), (13, 51640), (20, 33566), (26, 25820), (40, 16783), (52, 12910), (65, 10328), (104, 6455), (130, 5164), (260, 2582), (520, 1291)]