1040960020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{584809}}^1$

素因数の和:584907

約数の個数: 24

約数和(自身を含む): 2210581800

約数和(自身を除く): 1169621780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 584809, 1169618, 2339236, 2924045, 5848090, 11696180, 52048001, 104096002, 208192004, 260240005, 520480010, 1040960020]

約数ペア:

[(1, 1040960020), (2, 520480010), (4, 260240005), (5, 208192004), (10, 104096002), (20, 52048001), (89, 11696180), (178, 5848090), (356, 2924045), (445, 2339236), (890, 1169618), (1780, 584809)]