18271360

素因数分解:

$2^7\times 5^1\times {\mathrm{28549}}^1$

素因数の和:28568

約数の個数: 32

約数和(自身を含む): 43681500

約数和(自身を除く): 25410140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28549, 57098, 114196, 142745, 228392, 285490, 456784, 570980, 913568, 1141960, 1827136, 2283920, 3654272, 4567840, 9135680, 18271360]

約数ペア:

[(1, 18271360), (2, 9135680), (4, 4567840), (5, 3654272), (8, 2283920), (10, 1827136), (16, 1141960), (20, 913568), (32, 570980), (40, 456784), (64, 285490), (80, 228392), (128, 142745), (160, 114196), (320, 57098), (640, 28549)]