51358000

素因数分解:

$2^4\times 5^3\times {\mathrm{25679}}^1$

素因数の和:25702

約数の個数: 40

約数和(自身を含む): 124188480

約数和(自身を除く): 72830480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 25679, 51358, 102716, 128395, 205432, 256790, 410864, 513580, 641975, 1027160, 1283950, 2054320, 2567900, 3209875, 5135800, 6419750, 10271600, 12839500, 25679000, 51358000]

約数ペア:

[(1, 51358000), (2, 25679000), (4, 12839500), (5, 10271600), (8, 6419750), (10, 5135800), (16, 3209875), (20, 2567900), (25, 2054320), (40, 1283950), (50, 1027160), (80, 641975), (100, 513580), (125, 410864), (200, 256790), (250, 205432), (400, 128395), (500, 102716), (1000, 51358), (2000, 25679)]