91869580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1021}}^1$

素因数の和:1450

約数の個数: 48

約数和(自身を含む): 211186080

約数和(自身を除く): 119316500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 818, 1021, 1636, 2042, 2045, 4084, 4090, 4499, 5105, 8180, 8998, 10210, 11231, 17996, 20420, 22462, 22495, 44924, 44990, 56155, 89980, 112310, 224620, 417589, 835178, 1670356, 2087945, 4175890, 4593479, 8351780, 9186958, 18373916, 22967395, 45934790, 91869580]

約数ペア:

[(1, 91869580), (2, 45934790), (4, 22967395), (5, 18373916), (10, 9186958), (11, 8351780), (20, 4593479), (22, 4175890), (44, 2087945), (55, 1670356), (110, 835178), (220, 417589), (409, 224620), (818, 112310), (1021, 89980), (1636, 56155), (2042, 44990), (2045, 44924), (4084, 22495), (4090, 22462), (4499, 20420), (5105, 17996), (8180, 11231), (8998, 10210)]