143987240

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{13687}}^1$

素因数の和:13961

約数の個数: 32

約数和(自身を含む): 325226880

約数和(自身を除く): 181239640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 13687, 27374, 54748, 68435, 109496, 136870, 273740, 547480, 3599681, 7199362, 14398724, 17998405, 28797448, 35996810, 71993620, 143987240]

約数ペア:

[(1, 143987240), (2, 71993620), (4, 35996810), (5, 28797448), (8, 17998405), (10, 14398724), (20, 7199362), (40, 3599681), (263, 547480), (526, 273740), (1052, 136870), (1315, 109496), (2104, 68435), (2630, 54748), (5260, 27374), (10520, 13687)]