20128030400

素因数分解:

$2^6\times 5^2\times {\mathrm{12580019}}^1$

素因数の和:12580041

約数の個数: 42

約数和(自身を含む): 49527538740

約数和(自身を除く): 29399508340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12580019, 25160038, 50320076, 62900095, 100640152, 125800190, 201280304, 251600380, 314500475, 402560608, 503200760, 629000950, 805121216, 1006401520, 1258001900, 2012803040, 2516003800, 4025606080, 5032007600, 10064015200, 20128030400]

約数ペア:

[(1, 20128030400), (2, 10064015200), (4, 5032007600), (5, 4025606080), (8, 2516003800), (10, 2012803040), (16, 1258001900), (20, 1006401520), (25, 805121216), (32, 629000950), (40, 503200760), (50, 402560608), (64, 314500475), (80, 251600380), (100, 201280304), (160, 125800190), (200, 100640152), (320, 62900095), (400, 50320076), (800, 25160038), (1600, 12580019)]