13898000

素因数分解:

$2^4\times 5^3\times {\mathrm{6949}}^1$

素因数の和:6972

約数の個数: 40

約数和(自身を含む): 33610200

約数和(自身を除く): 19712200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 6949, 13898, 27796, 34745, 55592, 69490, 111184, 138980, 173725, 277960, 347450, 555920, 694900, 868625, 1389800, 1737250, 2779600, 3474500, 6949000, 13898000]

約数ペア:

[(1, 13898000), (2, 6949000), (4, 3474500), (5, 2779600), (8, 1737250), (10, 1389800), (16, 868625), (20, 694900), (25, 555920), (40, 347450), (50, 277960), (80, 173725), (100, 138980), (125, 111184), (200, 69490), (250, 55592), (400, 34745), (500, 27796), (1000, 13898), (2000, 6949)]