42090805

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 55157760

約数和(自身を除く): 13066955

約数列:

[1, 5, 23, 41, 79, 113, 115, 205, 395, 565, 943, 1817, 2599, 3239, 4633, 4715, 8927, 9085, 12995, 16195, 23165, 44635, 74497, 106559, 205321, 366007, 372485, 532795, 1026605, 1830035, 8418161, 42090805]

約数ペア:

[(1, 42090805), (5, 8418161), (23, 1830035), (41, 1026605), (79, 532795), (113, 372485), (115, 366007), (205, 205321), (395, 106559), (565, 74497), (943, 44635), (1817, 23165), (2599, 16195), (3239, 12995), (4633, 9085), (4715, 8927)]