8125720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6553}}^1$

素因数の和:6595

約数の個数: 32

約数和(自身を含む): 18875520

約数和(自身を除く): 10749800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 6553, 13106, 26212, 32765, 52424, 65530, 131060, 203143, 262120, 406286, 812572, 1015715, 1625144, 2031430, 4062860, 8125720]

約数ペア:

[(1, 8125720), (2, 4062860), (4, 2031430), (5, 1625144), (8, 1015715), (10, 812572), (20, 406286), (31, 262120), (40, 203143), (62, 131060), (124, 65530), (155, 52424), (248, 32765), (310, 26212), (620, 13106), (1240, 6553)]