4937500

素因数分解:

$2^2\times 5^6\times {\mathrm{79}}^1$

素因数の和:113

約数の個数: 42

約数和(自身を含む): 10937360

約数和(自身を除く): 5999860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 625, 790, 1250, 1580, 1975, 2500, 3125, 3950, 6250, 7900, 9875, 12500, 15625, 19750, 31250, 39500, 49375, 62500, 98750, 197500, 246875, 493750, 987500, 1234375, 2468750, 4937500]

約数ペア:

[(1, 4937500), (2, 2468750), (4, 1234375), (5, 987500), (10, 493750), (20, 246875), (25, 197500), (50, 98750), (79, 62500), (100, 49375), (125, 39500), (158, 31250), (250, 19750), (316, 15625), (395, 12500), (500, 9875), (625, 7900), (790, 6250), (1250, 3950), (1580, 3125), (1975, 2500)]