90627070

素因数分解:

$2^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{4561}}^1$

素因数の和:6555

約数の個数: 16

約数和(自身を含む): 163246608

約数和(自身を除く): 72619538

約数列:

[1, 2, 5, 10, 1987, 3974, 4561, 9122, 9935, 19870, 22805, 45610, 9062707, 18125414, 45313535, 90627070]

約数ペア:

[(1, 90627070), (2, 45313535), (5, 18125414), (10, 9062707), (1987, 45610), (3974, 22805), (4561, 19870), (9122, 9935)]