25920142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 43401600

約数和(自身を除く): 17481458

約数列:

[1, 2, 19, 29, 38, 43, 58, 86, 547, 551, 817, 1094, 1102, 1247, 1634, 2494, 10393, 15863, 20786, 23521, 23693, 31726, 47042, 47386, 301397, 446899, 602794, 682109, 893798, 1364218, 12960071, 25920142]

約数ペア:

[(1, 25920142), (2, 12960071), (19, 1364218), (29, 893798), (38, 682109), (43, 602794), (58, 446899), (86, 301397), (547, 47386), (551, 47042), (817, 31726), (1094, 23693), (1102, 23521), (1247, 20786), (1634, 15863), (2494, 10393)]