66480100

素因数分解:

$2^2\times 5^2\times {\mathrm{389}}^1\times {\mathrm{1709}}^1$

素因数の和:2112

約数の個数: 36

約数和(自身を含む): 144717300

約数和(自身を除く): 78237200

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 389, 778, 1556, 1709, 1945, 3418, 3890, 6836, 7780, 8545, 9725, 17090, 19450, 34180, 38900, 42725, 85450, 170900, 664801, 1329602, 2659204, 3324005, 6648010, 13296020, 16620025, 33240050, 66480100]

約数ペア:

[(1, 66480100), (2, 33240050), (4, 16620025), (5, 13296020), (10, 6648010), (20, 3324005), (25, 2659204), (50, 1329602), (100, 664801), (389, 170900), (778, 85450), (1556, 42725), (1709, 38900), (1945, 34180), (3418, 19450), (3890, 17090), (6836, 9725), (7780, 8545)]