30556000

素因数分解:

$2^5\times 5^3\times {\mathrm{7639}}^1$

素因数の和:7664

約数の個数: 48

約数和(自身を含む): 75085920

約数和(自身を除く): 44529920

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, 7639, 15278, 30556, 38195, 61112, 76390, 122224, 152780, 190975, 244448, 305560, 381950, 611120, 763900, 954875, 1222240, 1527800, 1909750, 3055600, 3819500, 6111200, 7639000, 15278000, 30556000]

約数ペア:

[(1, 30556000), (2, 15278000), (4, 7639000), (5, 6111200), (8, 3819500), (10, 3055600), (16, 1909750), (20, 1527800), (25, 1222240), (32, 954875), (40, 763900), (50, 611120), (80, 381950), (100, 305560), (125, 244448), (160, 190975), (200, 152780), (250, 122224), (400, 76390), (500, 61112), (800, 38195), (1000, 30556), (2000, 15278), (4000, 7639)]