40872208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{196501}}^1$

素因数の和:196522

約数の個数: 20

約数和(自身を含む): 85281868

約数和(自身を除く): 44409660

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 196501, 393002, 786004, 1572008, 2554513, 3144016, 5109026, 10218052, 20436104, 40872208]

約数ペア:

[(1, 40872208), (2, 20436104), (4, 10218052), (8, 5109026), (13, 3144016), (16, 2554513), (26, 1572008), (52, 786004), (104, 393002), (208, 196501)]