25589500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:919

約数の個数: 48

約数和(自身を含む): 56871360

約数和(自身を除く): 31281860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 500, 610, 839, 1220, 1525, 1678, 3050, 3356, 4195, 6100, 7625, 8390, 15250, 16780, 20975, 30500, 41950, 51179, 83900, 102358, 104875, 204716, 209750, 255895, 419500, 511790, 1023580, 1279475, 2558950, 5117900, 6397375, 12794750, 25589500]

約数ペア:

[(1, 25589500), (2, 12794750), (4, 6397375), (5, 5117900), (10, 2558950), (20, 1279475), (25, 1023580), (50, 511790), (61, 419500), (100, 255895), (122, 209750), (125, 204716), (244, 104875), (250, 102358), (305, 83900), (500, 51179), (610, 41950), (839, 30500), (1220, 20975), (1525, 16780), (1678, 15250), (3050, 8390), (3356, 7625), (4195, 6100)]