69411220

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{2141}}^1$

素因数の和:3771

約数の個数: 24

約数和(自身を含む): 145921608

約数和(自身を除く): 76510388

約数列:

[1, 2, 4, 5, 10, 20, 1621, 2141, 3242, 4282, 6484, 8105, 8564, 10705, 16210, 21410, 32420, 42820, 3470561, 6941122, 13882244, 17352805, 34705610, 69411220]

約数ペア:

[(1, 69411220), (2, 34705610), (4, 17352805), (5, 13882244), (10, 6941122), (20, 3470561), (1621, 42820), (2141, 32420), (3242, 21410), (4282, 16210), (6484, 10705), (8105, 8564)]