76390000

素因数分解:

$2^4\times 5^4\times {\mathrm{7639}}^1$

素因数の和:7667

約数の個数: 50

約数和(自身を含む): 184972040

約数和(自身を除く): 108582040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 7639, 10000, 15278, 30556, 38195, 61112, 76390, 122224, 152780, 190975, 305560, 381950, 611120, 763900, 954875, 1527800, 1909750, 3055600, 3819500, 4774375, 7639000, 9548750, 15278000, 19097500, 38195000, 76390000]

約数ペア:

[(1, 76390000), (2, 38195000), (4, 19097500), (5, 15278000), (8, 9548750), (10, 7639000), (16, 4774375), (20, 3819500), (25, 3055600), (40, 1909750), (50, 1527800), (80, 954875), (100, 763900), (125, 611120), (200, 381950), (250, 305560), (400, 190975), (500, 152780), (625, 122224), (1000, 76390), (1250, 61112), (2000, 38195), (2500, 30556), (5000, 15278), (7639, 10000)]