40028000

素因数分解:

$2^5\times 5^3\times {\mathrm{10007}}^1$

素因数の和:10032

約数の個数: 48

約数和(自身を含む): 98358624

約数和(自身を除く): 58330624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 10007, 20014, 40028, 50035, 80056, 100070, 160112, 200140, 250175, 320224, 400280, 500350, 800560, 1000700, 1250875, 1601120, 2001400, 2501750, 4002800, 5003500, 8005600, 10007000, 20014000, 40028000]

約数ペア:

[(1, 40028000), (2, 20014000), (4, 10007000), (5, 8005600), (8, 5003500), (10, 4002800), (16, 2501750), (20, 2001400), (25, 1601120), (32, 1250875), (40, 1000700), (50, 800560), (80, 500350), (100, 400280), (125, 320224), (160, 250175), (200, 200140), (250, 160112), (400, 100070), (500, 80056), (800, 50035), (1000, 40028), (2000, 20014), (4000, 10007)]