72027020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1993}}^1$

素因数の和:2154

約数の個数: 48

約数和(自身を含む): 164146080

約数和(自身を除く): 92119060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 1993, 2780, 3614, 3986, 7228, 7972, 9035, 9965, 18070, 19930, 25909, 36140, 39860, 51818, 103636, 129545, 259090, 277027, 518180, 554054, 1108108, 1385135, 2770270, 3601351, 5540540, 7202702, 14405404, 18006755, 36013510, 72027020]

約数ペア:

[(1, 72027020), (2, 36013510), (4, 18006755), (5, 14405404), (10, 7202702), (13, 5540540), (20, 3601351), (26, 2770270), (52, 1385135), (65, 1108108), (130, 554054), (139, 518180), (260, 277027), (278, 259090), (556, 129545), (695, 103636), (1390, 51818), (1807, 39860), (1993, 36140), (2780, 25909), (3614, 19930), (3986, 18070), (7228, 9965), (7972, 9035)]