5215400

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 12303900

約数和(自身を除く): 7088500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 293, 356, 445, 586, 712, 890, 1172, 1465, 1780, 2225, 2344, 2930, 3560, 4450, 5860, 7325, 8900, 11720, 14650, 17800, 26077, 29300, 52154, 58600, 104308, 130385, 208616, 260770, 521540, 651925, 1043080, 1303850, 2607700, 5215400]

約数ペア:

[(1, 5215400), (2, 2607700), (4, 1303850), (5, 1043080), (8, 651925), (10, 521540), (20, 260770), (25, 208616), (40, 130385), (50, 104308), (89, 58600), (100, 52154), (178, 29300), (200, 26077), (293, 17800), (356, 14650), (445, 11720), (586, 8900), (712, 7325), (890, 5860), (1172, 4450), (1465, 3560), (1780, 2930), (2225, 2344)]