61860020

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{2789}}^1$

素因数の和:3907

約数の個数: 24

約数和(自身を含む): 130069800

約数和(自身を除く): 68209780

約数列:

[1, 2, 4, 5, 10, 20, 1109, 2218, 2789, 4436, 5545, 5578, 11090, 11156, 13945, 22180, 27890, 55780, 3093001, 6186002, 12372004, 15465005, 30930010, 61860020]

約数ペア:

[(1, 61860020), (2, 30930010), (4, 15465005), (5, 12372004), (10, 6186002), (20, 3093001), (1109, 55780), (2218, 27890), (2789, 22180), (4436, 13945), (5545, 11156), (5578, 11090)]