39345880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{140521}}^1$

素因数の和:140539

約数の個数: 32

約数和(自身を含む): 101175840

約数和(自身を除く): 61829960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 140521, 281042, 562084, 702605, 983647, 1124168, 1405210, 1967294, 2810420, 3934588, 4918235, 5620840, 7869176, 9836470, 19672940, 39345880]

約数ペア:

[(1, 39345880), (2, 19672940), (4, 9836470), (5, 7869176), (7, 5620840), (8, 4918235), (10, 3934588), (14, 2810420), (20, 1967294), (28, 1405210), (35, 1124168), (40, 983647), (56, 702605), (70, 562084), (140, 281042), (280, 140521)]