201558440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{46229}}^1$

素因数の和:46349

約数の個数: 32

約数和(自身を含む): 457677000

約数和(自身を除く): 256118560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 46229, 92458, 184916, 231145, 369832, 462290, 924580, 1849160, 5038961, 10077922, 20155844, 25194805, 40311688, 50389610, 100779220, 201558440]

約数ペア:

[(1, 201558440), (2, 100779220), (4, 50389610), (5, 40311688), (8, 25194805), (10, 20155844), (20, 10077922), (40, 5038961), (109, 1849160), (218, 924580), (436, 462290), (545, 369832), (872, 231145), (1090, 184916), (2180, 92458), (4360, 46229)]