17242840

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{857}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 21676040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 857, 1006, 1714, 2012, 2515, 3428, 4024, 4285, 5030, 6856, 8570, 10060, 17140, 20120, 34280, 431071, 862142, 1724284, 2155355, 3448568, 4310710, 8621420, 17242840]

約数ペア:

[(1, 17242840), (2, 8621420), (4, 4310710), (5, 3448568), (8, 2155355), (10, 1724284), (20, 862142), (40, 431071), (503, 34280), (857, 20120), (1006, 17140), (1714, 10060), (2012, 8570), (2515, 6856), (3428, 5030), (4024, 4285)]