155995120

素因数分解:

$2^4\times 5^1\times {\mathrm{1949939}}^1$

素因数の和:1949952

約数の個数: 20

約数和(自身を含む): 362688840

約数和(自身を除く): 206693720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1949939, 3899878, 7799756, 9749695, 15599512, 19499390, 31199024, 38998780, 77997560, 155995120]

約数ペア:

[(1, 155995120), (2, 77997560), (4, 38998780), (5, 31199024), (8, 19499390), (10, 15599512), (16, 9749695), (20, 7799756), (40, 3899878), (80, 1949939)]