4381720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{15649}}^1$

素因数の和:15667

約数の個数: 32

約数和(自身を含む): 11268000

約数和(自身を除く): 6886280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 15649, 31298, 62596, 78245, 109543, 125192, 156490, 219086, 312980, 438172, 547715, 625960, 876344, 1095430, 2190860, 4381720]

約数ペア:

[(1, 4381720), (2, 2190860), (4, 1095430), (5, 876344), (7, 625960), (8, 547715), (10, 438172), (14, 312980), (20, 219086), (28, 156490), (35, 125192), (40, 109543), (56, 78245), (70, 62596), (140, 31298), (280, 15649)]