26481250

素因数分解:

$2^1\times 5^5\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 26015390

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 223, 250, 446, 475, 625, 950, 1115, 1250, 2230, 2375, 3125, 4237, 4750, 5575, 6250, 8474, 11150, 11875, 21185, 23750, 27875, 42370, 55750, 59375, 105925, 118750, 139375, 211850, 278750, 529625, 696875, 1059250, 1393750, 2648125, 5296250, 13240625, 26481250]

約数ペア:

[(1, 26481250), (2, 13240625), (5, 5296250), (10, 2648125), (19, 1393750), (25, 1059250), (38, 696875), (50, 529625), (95, 278750), (125, 211850), (190, 139375), (223, 118750), (250, 105925), (446, 59375), (475, 55750), (625, 42370), (950, 27875), (1115, 23750), (1250, 21185), (2230, 11875), (2375, 11150), (3125, 8474), (4237, 6250), (4750, 5575)]