167995120

素因数分解:

$2^4\times 5^1\times {\mathrm{2099939}}^1$

素因数の和:2099952

約数の個数: 20

約数和(自身を含む): 390588840

約数和(自身を除く): 222593720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2099939, 4199878, 8399756, 10499695, 16799512, 20999390, 33599024, 41998780, 83997560, 167995120]

約数ペア:

[(1, 167995120), (2, 83997560), (4, 41998780), (5, 33599024), (8, 20999390), (10, 16799512), (16, 10499695), (20, 8399756), (40, 4199878), (80, 2099939)]