159018800

素因数分解:

$2^4\times 5^2\times {\mathrm{397547}}^1$

素因数の和:397565

約数の個数: 30

約数和(自身を含む): 382043628

約数和(自身を除く): 223024828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 397547, 795094, 1590188, 1987735, 3180376, 3975470, 6360752, 7950940, 9938675, 15901880, 19877350, 31803760, 39754700, 79509400, 159018800]

約数ペア:

[(1, 159018800), (2, 79509400), (4, 39754700), (5, 31803760), (8, 19877350), (10, 15901880), (16, 9938675), (20, 7950940), (25, 6360752), (40, 3975470), (50, 3180376), (80, 1987735), (100, 1590188), (200, 795094), (400, 397547)]