25304950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 51871680

約数和(自身を除く): 26566730

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 139, 275, 278, 331, 550, 662, 695, 1390, 1529, 1655, 3058, 3310, 3475, 3641, 6950, 7282, 7645, 8275, 15290, 16550, 18205, 36410, 38225, 46009, 76450, 91025, 92018, 182050, 230045, 460090, 506099, 1012198, 1150225, 2300450, 2530495, 5060990, 12652475, 25304950]

約数ペア:

[(1, 25304950), (2, 12652475), (5, 5060990), (10, 2530495), (11, 2300450), (22, 1150225), (25, 1012198), (50, 506099), (55, 460090), (110, 230045), (139, 182050), (275, 92018), (278, 91025), (331, 76450), (550, 46009), (662, 38225), (695, 36410), (1390, 18205), (1529, 16550), (1655, 15290), (3058, 8275), (3310, 7645), (3475, 7282), (3641, 6950)]