89804440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{204101}}^1$

素因数の和:204123

約数の個数: 32

約数和(自身を含む): 220430160

約数和(自身を除く): 130625720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 204101, 408202, 816404, 1020505, 1632808, 2041010, 2245111, 4082020, 4490222, 8164040, 8980444, 11225555, 17960888, 22451110, 44902220, 89804440]

約数ペア:

[(1, 89804440), (2, 44902220), (4, 22451110), (5, 17960888), (8, 11225555), (10, 8980444), (11, 8164040), (20, 4490222), (22, 4082020), (40, 2245111), (44, 2041010), (55, 1632808), (88, 1020505), (110, 816404), (220, 408202), (440, 204101)]