8490640

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{503}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 19873728

約数和(自身を除く): 11383088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 503, 844, 1006, 1055, 1688, 2012, 2110, 2515, 3376, 4024, 4220, 5030, 8048, 8440, 10060, 16880, 20120, 40240, 106133, 212266, 424532, 530665, 849064, 1061330, 1698128, 2122660, 4245320, 8490640]

約数ペア:

[(1, 8490640), (2, 4245320), (4, 2122660), (5, 1698128), (8, 1061330), (10, 849064), (16, 530665), (20, 424532), (40, 212266), (80, 106133), (211, 40240), (422, 20120), (503, 16880), (844, 10060), (1006, 8440), (1055, 8048), (1688, 5030), (2012, 4220), (2110, 4024), (2515, 3376)]