25640785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 8832815

約数列:

[1, 5, 19, 29, 41, 95, 145, 205, 227, 551, 779, 1135, 1189, 2755, 3895, 4313, 5945, 6583, 9307, 21565, 22591, 32915, 46535, 112955, 125077, 176833, 269903, 625385, 884165, 1349515, 5128157, 25640785]

約数ペア:

[(1, 25640785), (5, 5128157), (19, 1349515), (29, 884165), (41, 625385), (95, 269903), (145, 176833), (205, 125077), (227, 112955), (551, 46535), (779, 32915), (1135, 22591), (1189, 21565), (2755, 9307), (3895, 6583), (4313, 5945)]