80839840

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9533}}^1$

素因数の和:9601

約数の個数: 48

約数和(自身を含む): 194608008

約数和(自身を除く): 113768168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 4240, 8480, 9533, 19066, 38132, 47665, 76264, 95330, 152528, 190660, 305056, 381320, 505249, 762640, 1010498, 1525280, 2020996, 2526245, 4041992, 5052490, 8083984, 10104980, 16167968, 20209960, 40419920, 80839840]

約数ペア:

[(1, 80839840), (2, 40419920), (4, 20209960), (5, 16167968), (8, 10104980), (10, 8083984), (16, 5052490), (20, 4041992), (32, 2526245), (40, 2020996), (53, 1525280), (80, 1010498), (106, 762640), (160, 505249), (212, 381320), (265, 305056), (424, 190660), (530, 152528), (848, 95330), (1060, 76264), (1696, 47665), (2120, 38132), (4240, 19066), (8480, 9533)]