84380420

素因数分解:

$2^2\times 5^1\times {\mathrm{967}}^1\times {\mathrm{4363}}^1$

素因数の和:5339

約数の個数: 24

約数和(自身を含む): 177422784

約数和(自身を除く): 93042364

約数列:

[1, 2, 4, 5, 10, 20, 967, 1934, 3868, 4363, 4835, 8726, 9670, 17452, 19340, 21815, 43630, 87260, 4219021, 8438042, 16876084, 21095105, 42190210, 84380420]

約数ペア:

[(1, 84380420), (2, 42190210), (4, 21095105), (5, 16876084), (10, 8438042), (20, 4219021), (967, 87260), (1934, 43630), (3868, 21815), (4363, 19340), (4835, 17452), (8726, 9670)]