80923420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1289}}^1$

素因数の和:1414

約数の個数: 48

約数和(自身を含む): 176410080

約数和(自身を除く): 95486660

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 730, 860, 1289, 1460, 2578, 3139, 5156, 6278, 6445, 12556, 12890, 15695, 25780, 31390, 55427, 62780, 94097, 110854, 188194, 221708, 277135, 376388, 470485, 554270, 940970, 1108540, 1881940, 4046171, 8092342, 16184684, 20230855, 40461710, 80923420]

約数ペア:

[(1, 80923420), (2, 40461710), (4, 20230855), (5, 16184684), (10, 8092342), (20, 4046171), (43, 1881940), (73, 1108540), (86, 940970), (146, 554270), (172, 470485), (215, 376388), (292, 277135), (365, 221708), (430, 188194), (730, 110854), (860, 94097), (1289, 62780), (1460, 55427), (2578, 31390), (3139, 25780), (5156, 15695), (6278, 12890), (6445, 12556)]