40298000

素因数分解:

$2^4\times 5^3\times {\mathrm{20149}}^1$

素因数の和:20172

約数の個数: 40

約数和(自身を含む): 97445400

約数和(自身を除く): 57147400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 20149, 40298, 80596, 100745, 161192, 201490, 322384, 402980, 503725, 805960, 1007450, 1611920, 2014900, 2518625, 4029800, 5037250, 8059600, 10074500, 20149000, 40298000]

約数ペア:

[(1, 40298000), (2, 20149000), (4, 10074500), (5, 8059600), (8, 5037250), (10, 4029800), (16, 2518625), (20, 2014900), (25, 1611920), (40, 1007450), (50, 805960), (80, 503725), (100, 402980), (125, 322384), (200, 201490), (250, 161192), (400, 100745), (500, 80596), (1000, 40298), (2000, 20149)]