1042000

素因数分解:

$2^4\times 5^3\times {\mathrm{521}}^1$

素因数の和:544

約数の個数: 40

約数和(自身を含む): 2524392

約数和(自身を除く): 1482392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 521, 1000, 1042, 2000, 2084, 2605, 4168, 5210, 8336, 10420, 13025, 20840, 26050, 41680, 52100, 65125, 104200, 130250, 208400, 260500, 521000, 1042000]

約数ペア:

[(1, 1042000), (2, 521000), (4, 260500), (5, 208400), (8, 130250), (10, 104200), (16, 65125), (20, 52100), (25, 41680), (40, 26050), (50, 20840), (80, 13025), (100, 10420), (125, 8336), (200, 5210), (250, 4168), (400, 2605), (500, 2084), (521, 2000), (1000, 1042)]