85221560

素因数分解:

$2^3\times 5^1\times {\mathrm{2130539}}^1$

素因数の和:2130550

約数の個数: 16

約数和(自身を含む): 191748600

約数和(自身を除く): 106527040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2130539, 4261078, 8522156, 10652695, 17044312, 21305390, 42610780, 85221560]

約数ペア:

[(1, 85221560), (2, 42610780), (4, 21305390), (5, 17044312), (8, 10652695), (10, 8522156), (20, 4261078), (40, 2130539)]