77784920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{36691}}^1$

素因数の和:36755

約数の個数: 32

約数和(自身を含む): 178323120

約数和(自身を除く): 100538200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 36691, 73382, 146764, 183455, 293528, 366910, 733820, 1467640, 1944623, 3889246, 7778492, 9723115, 15556984, 19446230, 38892460, 77784920]

約数ペア:

[(1, 77784920), (2, 38892460), (4, 19446230), (5, 15556984), (8, 9723115), (10, 7778492), (20, 3889246), (40, 1944623), (53, 1467640), (106, 733820), (212, 366910), (265, 293528), (424, 183455), (530, 146764), (1060, 73382), (2120, 36691)]