80916160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:450

約数の個数: 112

約数和(自身を含む): 211994496

約数和(自身を除く): 131078336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 80, 104, 106, 130, 160, 208, 212, 260, 265, 320, 367, 416, 424, 520, 530, 689, 734, 832, 848, 1040, 1060, 1378, 1468, 1696, 1835, 2080, 2120, 2756, 2936, 3392, 3445, 3670, 4160, 4240, 4771, 5512, 5872, 6890, 7340, 8480, 9542, 11024, 11744, 13780, 14680, 16960, 19084, 19451, 22048, 23488, 23855, 27560, 29360, 38168, 38902, 44096, 47710, 55120, 58720, 76336, 77804, 95420, 97255, 110240, 117440, 152672, 155608, 190840, 194510, 220480, 252863, 305344, 311216, 381680, 389020, 505726, 622432, 763360, 778040, 1011452, 1244864, 1264315, 1526720, 1556080, 2022904, 2528630, 3112160, 4045808, 5057260, 6224320, 8091616, 10114520, 16183232, 20229040, 40458080, 80916160]

約数ペア:

[(1, 80916160), (2, 40458080), (4, 20229040), (5, 16183232), (8, 10114520), (10, 8091616), (13, 6224320), (16, 5057260), (20, 4045808), (26, 3112160), (32, 2528630), (40, 2022904), (52, 1556080), (53, 1526720), (64, 1264315), (65, 1244864), (80, 1011452), (104, 778040), (106, 763360), (130, 622432), (160, 505726), (208, 389020), (212, 381680), (260, 311216), (265, 305344), (320, 252863), (367, 220480), (416, 194510), (424, 190840), (520, 155608), (530, 152672), (689, 117440), (734, 110240), (832, 97255), (848, 95420), (1040, 77804), (1060, 76336), (1378, 58720), (1468, 55120), (1696, 47710), (1835, 44096), (2080, 38902), (2120, 38168), (2756, 29360), (2936, 27560), (3392, 23855), (3445, 23488), (3670, 22048), (4160, 19451), (4240, 19084), (4771, 16960), (5512, 14680), (5872, 13780), (6890, 11744), (7340, 11024), (8480, 9542)]