530000

素因数分解:

$2^4\times 5^4\times {\mathrm{53}}^1$

素因数の和:81

約数の個数: 50

約数和(自身を含む): 1307394

約数和(自身を除く): 777394

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 125, 200, 212, 250, 265, 400, 424, 500, 530, 625, 848, 1000, 1060, 1250, 1325, 2000, 2120, 2500, 2650, 4240, 5000, 5300, 6625, 10000, 10600, 13250, 21200, 26500, 33125, 53000, 66250, 106000, 132500, 265000, 530000]

約数ペア:

[(1, 530000), (2, 265000), (4, 132500), (5, 106000), (8, 66250), (10, 53000), (16, 33125), (20, 26500), (25, 21200), (40, 13250), (50, 10600), (53, 10000), (80, 6625), (100, 5300), (106, 5000), (125, 4240), (200, 2650), (212, 2500), (250, 2120), (265, 2000), (400, 1325), (424, 1250), (500, 1060), (530, 1000), (625, 848)]