100520840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{359003}}^1$

素因数の和:359021

約数の個数: 32

約数和(自身を含む): 258482880

約数和(自身を除く): 157962040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 359003, 718006, 1436012, 1795015, 2513021, 2872024, 3590030, 5026042, 7180060, 10052084, 12565105, 14360120, 20104168, 25130210, 50260420, 100520840]

約数ペア:

[(1, 100520840), (2, 50260420), (4, 25130210), (5, 20104168), (7, 14360120), (8, 12565105), (10, 10052084), (14, 7180060), (20, 5026042), (28, 3590030), (35, 2872024), (40, 2513021), (56, 1795015), (70, 1436012), (140, 718006), (280, 359003)]