2120000

素因数分解:

$2^6\times 5^4\times {\mathrm{53}}^1$

素因数の和:85

約数の個数: 70

約数和(自身を含む): 5356098

約数和(自身を除く): 3236098

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 64, 80, 100, 106, 125, 160, 200, 212, 250, 265, 320, 400, 424, 500, 530, 625, 800, 848, 1000, 1060, 1250, 1325, 1600, 1696, 2000, 2120, 2500, 2650, 3392, 4000, 4240, 5000, 5300, 6625, 8000, 8480, 10000, 10600, 13250, 16960, 20000, 21200, 26500, 33125, 40000, 42400, 53000, 66250, 84800, 106000, 132500, 212000, 265000, 424000, 530000, 1060000, 2120000]

約数ペア:

[(1, 2120000), (2, 1060000), (4, 530000), (5, 424000), (8, 265000), (10, 212000), (16, 132500), (20, 106000), (25, 84800), (32, 66250), (40, 53000), (50, 42400), (53, 40000), (64, 33125), (80, 26500), (100, 21200), (106, 20000), (125, 16960), (160, 13250), (200, 10600), (212, 10000), (250, 8480), (265, 8000), (320, 6625), (400, 5300), (424, 5000), (500, 4240), (530, 4000), (625, 3392), (800, 2650), (848, 2500), (1000, 2120), (1060, 2000), (1250, 1696), (1325, 1600)]