28741420

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{2857}}^1$

素因数の和:3369

約数の個数: 24

約数和(自身を含む): 60498144

約数和(自身を除く): 31756724

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 2857, 5030, 5714, 10060, 11428, 14285, 28570, 57140, 1437071, 2874142, 5748284, 7185355, 14370710, 28741420]

約数ペア:

[(1, 28741420), (2, 14370710), (4, 7185355), (5, 5748284), (10, 2874142), (20, 1437071), (503, 57140), (1006, 28570), (2012, 14285), (2515, 11428), (2857, 10060), (5030, 5714)]