31028000

素因数分解:

$2^5\times 5^3\times {\mathrm{7757}}^1$

素因数の和:7782

約数の個数: 48

約数和(自身を含む): 76245624

約数和(自身を除く): 45217624

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, 7757, 15514, 31028, 38785, 62056, 77570, 124112, 155140, 193925, 248224, 310280, 387850, 620560, 775700, 969625, 1241120, 1551400, 1939250, 3102800, 3878500, 6205600, 7757000, 15514000, 31028000]

約数ペア:

[(1, 31028000), (2, 15514000), (4, 7757000), (5, 6205600), (8, 3878500), (10, 3102800), (16, 1939250), (20, 1551400), (25, 1241120), (32, 969625), (40, 775700), (50, 620560), (80, 387850), (100, 310280), (125, 248224), (160, 193925), (200, 155140), (250, 124112), (400, 77570), (500, 62056), (800, 38785), (1000, 31028), (2000, 15514), (4000, 7757)]