13485320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6361}}^1$

素因数の和:6425

約数の個数: 32

約数和(自身を含む): 30919320

約数和(自身を除く): 17434000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 6361, 12722, 25444, 31805, 50888, 63610, 127220, 254440, 337133, 674266, 1348532, 1685665, 2697064, 3371330, 6742660, 13485320]

約数ペア:

[(1, 13485320), (2, 6742660), (4, 3371330), (5, 2697064), (8, 1685665), (10, 1348532), (20, 674266), (40, 337133), (53, 254440), (106, 127220), (212, 63610), (265, 50888), (424, 31805), (530, 25444), (1060, 12722), (2120, 6361)]