156753640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{38047}}^1$

素因数の和:38161

約数の個数: 32

約数和(自身を含む): 356129280

約数和(自身を除く): 199375640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 38047, 76094, 152188, 190235, 304376, 380470, 760940, 1521880, 3918841, 7837682, 15675364, 19594205, 31350728, 39188410, 78376820, 156753640]

約数ペア:

[(1, 156753640), (2, 78376820), (4, 39188410), (5, 31350728), (8, 19594205), (10, 15675364), (20, 7837682), (40, 3918841), (103, 1521880), (206, 760940), (412, 380470), (515, 304376), (824, 190235), (1030, 152188), (2060, 76094), (4120, 38047)]