7420400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1458

約数の個数: 60

約数和(自身を含む): 19212312

約数和(自身を除く): 11791912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 1427, 2600, 2854, 5200, 5708, 7135, 11416, 14270, 18551, 22832, 28540, 35675, 37102, 57080, 71350, 74204, 92755, 114160, 142700, 148408, 185510, 285400, 296816, 371020, 463775, 570800, 742040, 927550, 1484080, 1855100, 3710200, 7420400]

約数ペア:

[(1, 7420400), (2, 3710200), (4, 1855100), (5, 1484080), (8, 927550), (10, 742040), (13, 570800), (16, 463775), (20, 371020), (25, 296816), (26, 285400), (40, 185510), (50, 148408), (52, 142700), (65, 114160), (80, 92755), (100, 74204), (104, 71350), (130, 57080), (200, 37102), (208, 35675), (260, 28540), (325, 22832), (400, 18551), (520, 14270), (650, 11416), (1040, 7135), (1300, 5708), (1427, 5200), (2600, 2854)]