27959590

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 51464160

約数和(自身を除く): 23504570

約数列:

[1, 2, 5, 10, 109, 113, 218, 226, 227, 454, 545, 565, 1090, 1130, 1135, 2270, 12317, 24634, 24743, 25651, 49486, 51302, 61585, 123170, 123715, 128255, 247430, 256510, 2795959, 5591918, 13979795, 27959590]

約数ペア:

[(1, 27959590), (2, 13979795), (5, 5591918), (10, 2795959), (109, 256510), (113, 247430), (218, 128255), (226, 123715), (227, 123170), (454, 61585), (545, 51302), (565, 49486), (1090, 25651), (1130, 24743), (1135, 24634), (2270, 12317)]