64122500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1973}}^1$

素因数の和:2010

約数の個数: 60

約数和(自身を含む): 151086012

約数和(自身を除く): 86963512

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 1250, 1300, 1625, 1973, 2500, 3250, 3946, 6500, 7892, 8125, 9865, 16250, 19730, 25649, 32500, 39460, 49325, 51298, 98650, 102596, 128245, 197300, 246625, 256490, 493250, 512980, 641225, 986500, 1233125, 1282450, 2466250, 2564900, 3206125, 4932500, 6412250, 12824500, 16030625, 32061250, 64122500]

約数ペア:

[(1, 64122500), (2, 32061250), (4, 16030625), (5, 12824500), (10, 6412250), (13, 4932500), (20, 3206125), (25, 2564900), (26, 2466250), (50, 1282450), (52, 1233125), (65, 986500), (100, 641225), (125, 512980), (130, 493250), (250, 256490), (260, 246625), (325, 197300), (500, 128245), (625, 102596), (650, 98650), (1250, 51298), (1300, 49325), (1625, 39460), (1973, 32500), (2500, 25649), (3250, 19730), (3946, 16250), (6500, 9865), (7892, 8125)]