12280420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3767}}^1$

素因数の和:3939

約数の個数: 24

約数和(自身を含む): 25953984

約数和(自身を除く): 13673564

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 3767, 7534, 15068, 18835, 37670, 75340, 614021, 1228042, 2456084, 3070105, 6140210, 12280420]

約数ペア:

[(1, 12280420), (2, 6140210), (4, 3070105), (5, 2456084), (10, 1228042), (20, 614021), (163, 75340), (326, 37670), (652, 18835), (815, 15068), (1630, 7534), (3260, 3767)]