80678560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26539}}^1$

素因数の和:26573

約数の個数: 48

約数和(自身を含む): 200642400

約数和(自身を除く): 119963840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 26539, 53078, 106156, 132695, 212312, 265390, 424624, 504241, 530780, 849248, 1008482, 1061560, 2016964, 2123120, 2521205, 4033928, 4246240, 5042410, 8067856, 10084820, 16135712, 20169640, 40339280, 80678560]

約数ペア:

[(1, 80678560), (2, 40339280), (4, 20169640), (5, 16135712), (8, 10084820), (10, 8067856), (16, 5042410), (19, 4246240), (20, 4033928), (32, 2521205), (38, 2123120), (40, 2016964), (76, 1061560), (80, 1008482), (95, 849248), (152, 530780), (160, 504241), (190, 424624), (304, 265390), (380, 212312), (608, 132695), (760, 106156), (1520, 53078), (3040, 26539)]