142452020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{54371}}^1$

素因数の和:54511

約数の個数: 24

約数和(自身を含む): 301438368

約数和(自身を除く): 158986348

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 54371, 108742, 217484, 271855, 543710, 1087420, 7122601, 14245202, 28490404, 35613005, 71226010, 142452020]

約数ペア:

[(1, 142452020), (2, 71226010), (4, 35613005), (5, 28490404), (10, 14245202), (20, 7122601), (131, 1087420), (262, 543710), (524, 271855), (655, 217484), (1310, 108742), (2620, 54371)]