204077240

素因数分解:

$2^3\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{3989}}^1$

素因数の和:5279

約数の個数: 32

約数和(自身を含む): 459648000

約数和(自身を除く): 255570760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279, 2558, 3989, 5116, 6395, 7978, 10232, 12790, 15956, 19945, 25580, 31912, 39890, 51160, 79780, 159560, 5101931, 10203862, 20407724, 25509655, 40815448, 51019310, 102038620, 204077240]

約数ペア:

[(1, 204077240), (2, 102038620), (4, 51019310), (5, 40815448), (8, 25509655), (10, 20407724), (20, 10203862), (40, 5101931), (1279, 159560), (2558, 79780), (3989, 51160), (5116, 39890), (6395, 31912), (7978, 25580), (10232, 19945), (12790, 15956)]