2070140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1163}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 4399920

約数和(自身を除く): 2329780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1163, 1780, 2326, 4652, 5815, 11630, 23260, 103507, 207014, 414028, 517535, 1035070, 2070140]

約数ペア:

[(1, 2070140), (2, 1035070), (4, 517535), (5, 414028), (10, 207014), (20, 103507), (89, 23260), (178, 11630), (356, 5815), (445, 4652), (890, 2326), (1163, 1780)]