42145000

素因数分解:

$2^3\times 5^4\times {\mathrm{8429}}^1$

素因数の和:8455

約数の個数: 40

約数和(自身を含む): 98757450

約数和(自身を除く): 56612450

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 8429, 16858, 33716, 42145, 67432, 84290, 168580, 210725, 337160, 421450, 842900, 1053625, 1685800, 2107250, 4214500, 5268125, 8429000, 10536250, 21072500, 42145000]

約数ペア:

[(1, 42145000), (2, 21072500), (4, 10536250), (5, 8429000), (8, 5268125), (10, 4214500), (20, 2107250), (25, 1685800), (40, 1053625), (50, 842900), (100, 421450), (125, 337160), (200, 210725), (250, 168580), (500, 84290), (625, 67432), (1000, 42145), (1250, 33716), (2500, 16858), (5000, 8429)]