155274040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{125221}}^1$

素因数の和:125263

約数の個数: 32

約数和(自身を含む): 360639360

約数和(自身を除く): 205365320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 125221, 250442, 500884, 626105, 1001768, 1252210, 2504420, 3881851, 5008840, 7763702, 15527404, 19409255, 31054808, 38818510, 77637020, 155274040]

約数ペア:

[(1, 155274040), (2, 77637020), (4, 38818510), (5, 31054808), (8, 19409255), (10, 15527404), (20, 7763702), (31, 5008840), (40, 3881851), (62, 2504420), (124, 1252210), (155, 1001768), (248, 626105), (310, 500884), (620, 250442), (1240, 125221)]