80403725

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 36

約数和(自身を含む): 107716320

約数和(自身を除く): 27312595

約数列:

[1, 5, 19, 25, 59, 95, 151, 295, 361, 475, 755, 1121, 1475, 1805, 2869, 3775, 5605, 8909, 9025, 14345, 21299, 28025, 44545, 54511, 71725, 106495, 169271, 222725, 272555, 532475, 846355, 1362775, 3216149, 4231775, 16080745, 80403725]

約数ペア:

[(1, 80403725), (5, 16080745), (19, 4231775), (25, 3216149), (59, 1362775), (95, 846355), (151, 532475), (295, 272555), (361, 222725), (475, 169271), (755, 106495), (1121, 71725), (1475, 54511), (1805, 44545), (2869, 28025), (3775, 21299), (5605, 14345), (8909, 9025)]