55316720

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2089}}^1$

素因数の和:2433

約数の個数: 40

約数和(自身を含む): 129061680

約数和(自身を除く): 73744960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2089, 2648, 3310, 4178, 5296, 6620, 8356, 10445, 13240, 16712, 20890, 26480, 33424, 41780, 83560, 167120, 691459, 1382918, 2765836, 3457295, 5531672, 6914590, 11063344, 13829180, 27658360, 55316720]

約数ペア:

[(1, 55316720), (2, 27658360), (4, 13829180), (5, 11063344), (8, 6914590), (10, 5531672), (16, 3457295), (20, 2765836), (40, 1382918), (80, 691459), (331, 167120), (662, 83560), (1324, 41780), (1655, 33424), (2089, 26480), (2648, 20890), (3310, 16712), (4178, 13240), (5296, 10445), (6620, 8356)]