85818920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{195043}}^1$

素因数の和:195065

約数の個数: 32

約数和(自身を含む): 210647520

約数和(自身を除く): 124828600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 195043, 390086, 780172, 975215, 1560344, 1950430, 2145473, 3900860, 4290946, 7801720, 8581892, 10727365, 17163784, 21454730, 42909460, 85818920]

約数ペア:

[(1, 85818920), (2, 42909460), (4, 21454730), (5, 17163784), (8, 10727365), (10, 8581892), (11, 7801720), (20, 4290946), (22, 3900860), (40, 2145473), (44, 1950430), (55, 1560344), (88, 975215), (110, 780172), (220, 390086), (440, 195043)]