80398864

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55219}}^1$

素因数の和:55247

約数の個数: 40

約数和(自身を含む): 191723840

約数和(自身を除く): 111324976

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 55219, 110438, 220876, 386533, 441752, 717847, 773066, 883504, 1435694, 1546132, 2871388, 3092264, 5024929, 5742776, 6184528, 10049858, 11485552, 20099716, 40199432, 80398864]

約数ペア:

[(1, 80398864), (2, 40199432), (4, 20099716), (7, 11485552), (8, 10049858), (13, 6184528), (14, 5742776), (16, 5024929), (26, 3092264), (28, 2871388), (52, 1546132), (56, 1435694), (91, 883504), (104, 773066), (112, 717847), (182, 441752), (208, 386533), (364, 220876), (728, 110438), (1456, 55219)]