27772450

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^2\times {\mathrm{89}}^1$

素因数の和:259

約数の個数: 36

約数和(自身を含む): 52906770

約数和(自身を除く): 25134320

約数列:

[1, 2, 5, 10, 25, 50, 79, 89, 158, 178, 395, 445, 790, 890, 1975, 2225, 3950, 4450, 6241, 7031, 12482, 14062, 31205, 35155, 62410, 70310, 156025, 175775, 312050, 351550, 555449, 1110898, 2777245, 5554490, 13886225, 27772450]

約数ペア:

[(1, 27772450), (2, 13886225), (5, 5554490), (10, 2777245), (25, 1110898), (50, 555449), (79, 351550), (89, 312050), (158, 175775), (178, 156025), (395, 70310), (445, 62410), (790, 35155), (890, 31205), (1975, 14062), (2225, 12482), (3950, 7031), (4450, 6241)]