66563900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{51203}}^1$

素因数の和:51230

約数の個数: 36

約数和(自身を含む): 155557752

約数和(自身を除く): 88993852

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 51203, 102406, 204812, 256015, 512030, 665639, 1024060, 1280075, 1331278, 2560150, 2662556, 3328195, 5120300, 6656390, 13312780, 16640975, 33281950, 66563900]

約数ペア:

[(1, 66563900), (2, 33281950), (4, 16640975), (5, 13312780), (10, 6656390), (13, 5120300), (20, 3328195), (25, 2662556), (26, 2560150), (50, 1331278), (52, 1280075), (65, 1024060), (100, 665639), (130, 512030), (260, 256015), (325, 204812), (650, 102406), (1300, 51203)]