205195775

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{200191}}^1$

素因数の和:200242

約数の個数: 12

約数和(自身を含む): 260649984

約数和(自身を除く): 55454209

約数列:

[1, 5, 25, 41, 205, 1025, 200191, 1000955, 5004775, 8207831, 41039155, 205195775]

約数ペア:

[(1, 205195775), (5, 41039155), (25, 8207831), (41, 5004775), (205, 1000955), (1025, 200191)]