40204220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{287173}}^1$

素因数の和:287189

約数の個数: 24

約数和(自身を含む): 96490464

約数和(自身を除く): 56286244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 287173, 574346, 1148692, 1435865, 2010211, 2871730, 4020422, 5743460, 8040844, 10051055, 20102110, 40204220]

約数ペア:

[(1, 40204220), (2, 20102110), (4, 10051055), (5, 8040844), (7, 5743460), (10, 4020422), (14, 2871730), (20, 2010211), (28, 1435865), (35, 1148692), (70, 574346), (140, 287173)]