85810120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{195023}}^1$

素因数の和:195045

約数の個数: 32

約数和(自身を含む): 210625920

約数和(自身を除く): 124815800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 195023, 390046, 780092, 975115, 1560184, 1950230, 2145253, 3900460, 4290506, 7800920, 8581012, 10726265, 17162024, 21452530, 42905060, 85810120]

約数ペア:

[(1, 85810120), (2, 42905060), (4, 21452530), (5, 17162024), (8, 10726265), (10, 8581012), (11, 7800920), (20, 4290506), (22, 3900460), (40, 2145253), (44, 1950230), (55, 1560184), (88, 975115), (110, 780092), (220, 390046), (440, 195023)]