31379320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{112069}}^1$

素因数の和:112087

約数の個数: 32

約数和(自身を含む): 80690400

約数和(自身を除く): 49311080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 112069, 224138, 448276, 560345, 784483, 896552, 1120690, 1568966, 2241380, 3137932, 3922415, 4482760, 6275864, 7844830, 15689660, 31379320]

約数ペア:

[(1, 31379320), (2, 15689660), (4, 7844830), (5, 6275864), (7, 4482760), (8, 3922415), (10, 3137932), (14, 2241380), (20, 1568966), (28, 1120690), (35, 896552), (40, 784483), (56, 560345), (70, 448276), (140, 224138), (280, 112069)]