1071580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 2273040

約数和(自身を除く): 1201460

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 409, 524, 655, 818, 1310, 1636, 2045, 2620, 4090, 8180, 53579, 107158, 214316, 267895, 535790, 1071580]

約数ペア:

[(1, 1071580), (2, 535790), (4, 267895), (5, 214316), (10, 107158), (20, 53579), (131, 8180), (262, 4090), (409, 2620), (524, 2045), (655, 1636), (818, 1310)]