940420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3617}}^1$

素因数の和:3639

約数の個数: 24

約数和(自身を含む): 2127384

約数和(自身を除く): 1186964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3617, 7234, 14468, 18085, 36170, 47021, 72340, 94042, 188084, 235105, 470210, 940420]

約数ペア:

[(1, 940420), (2, 470210), (4, 235105), (5, 188084), (10, 94042), (13, 72340), (20, 47021), (26, 36170), (52, 18085), (65, 14468), (130, 7234), (260, 3617)]