64120900

素因数分解:

$2^2\times 5^2\times {\mathrm{743}}^1\times {\mathrm{863}}^1$

素因数の和:1620

約数の個数: 36

約数和(自身を含む): 139491072

約数和(自身を除く): 75370172

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 743, 863, 1486, 1726, 2972, 3452, 3715, 4315, 7430, 8630, 14860, 17260, 18575, 21575, 37150, 43150, 74300, 86300, 641209, 1282418, 2564836, 3206045, 6412090, 12824180, 16030225, 32060450, 64120900]

約数ペア:

[(1, 64120900), (2, 32060450), (4, 16030225), (5, 12824180), (10, 6412090), (20, 3206045), (25, 2564836), (50, 1282418), (100, 641209), (743, 86300), (863, 74300), (1486, 43150), (1726, 37150), (2972, 21575), (3452, 18575), (3715, 17260), (4315, 14860), (7430, 8630)]