180844240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{52571}}^1$

素因数の和:52627

約数の個数: 40

約数和(自身を含む): 430249248

約数和(自身を除く): 249405008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 52571, 105142, 210284, 262855, 420568, 525710, 841136, 1051420, 2102840, 2260553, 4205680, 4521106, 9042212, 11302765, 18084424, 22605530, 36168848, 45211060, 90422120, 180844240]

約数ペア:

[(1, 180844240), (2, 90422120), (4, 45211060), (5, 36168848), (8, 22605530), (10, 18084424), (16, 11302765), (20, 9042212), (40, 4521106), (43, 4205680), (80, 2260553), (86, 2102840), (172, 1051420), (215, 841136), (344, 525710), (430, 420568), (688, 262855), (860, 210284), (1720, 105142), (3440, 52571)]