80719400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23741}}^1$

素因数の和:23774

約数の個数: 48

約数和(自身を含む): 198720540

約数和(自身を除く): 118001140

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 23741, 47482, 94964, 118705, 189928, 237410, 403597, 474820, 593525, 807194, 949640, 1187050, 1614388, 2017985, 2374100, 3228776, 4035970, 4748200, 8071940, 10089925, 16143880, 20179850, 40359700, 80719400]

約数ペア:

[(1, 80719400), (2, 40359700), (4, 20179850), (5, 16143880), (8, 10089925), (10, 8071940), (17, 4748200), (20, 4035970), (25, 3228776), (34, 2374100), (40, 2017985), (50, 1614388), (68, 1187050), (85, 949640), (100, 807194), (136, 593525), (170, 474820), (200, 403597), (340, 237410), (425, 189928), (680, 118705), (850, 94964), (1700, 47482), (3400, 23741)]