26538280

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1319}}^1$

素因数の和:1833

約数の個数: 32

約数和(自身を含む): 59875200

約数和(自身を除く): 33336920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 1319, 2012, 2515, 2638, 4024, 5030, 5276, 6595, 10060, 10552, 13190, 20120, 26380, 52760, 663457, 1326914, 2653828, 3317285, 5307656, 6634570, 13269140, 26538280]

約数ペア:

[(1, 26538280), (2, 13269140), (4, 6634570), (5, 5307656), (8, 3317285), (10, 2653828), (20, 1326914), (40, 663457), (503, 52760), (1006, 26380), (1319, 20120), (2012, 13190), (2515, 10552), (2638, 10060), (4024, 6595), (5030, 5276)]