90949540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{5233}}^1$

素因数の和:5332

約数の個数: 48

約数和(自身を含む): 211034880

約数和(自身を除く): 120085340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 5233, 8690, 10466, 17380, 20932, 26165, 52330, 57563, 104660, 115126, 230252, 287815, 413407, 575630, 826814, 1151260, 1653628, 2067035, 4134070, 4547477, 8268140, 9094954, 18189908, 22737385, 45474770, 90949540]

約数ペア:

[(1, 90949540), (2, 45474770), (4, 22737385), (5, 18189908), (10, 9094954), (11, 8268140), (20, 4547477), (22, 4134070), (44, 2067035), (55, 1653628), (79, 1151260), (110, 826814), (158, 575630), (220, 413407), (316, 287815), (395, 230252), (790, 115126), (869, 104660), (1580, 57563), (1738, 52330), (3476, 26165), (4345, 20932), (5233, 17380), (8690, 10466)]