220178885

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{3539}}^1$

素因数の和:4108

約数の個数: 16

約数和(自身を含む): 276289920

約数和(自身を除く): 56111035

約数列:

[1, 5, 23, 115, 541, 2705, 3539, 12443, 17695, 62215, 81397, 406985, 1914599, 9572995, 44035777, 220178885]

約数ペア:

[(1, 220178885), (5, 44035777), (23, 9572995), (115, 1914599), (541, 406985), (2705, 81397), (3539, 62215), (12443, 17695)]