4503987500

素因数分解:

$2^2\times 5^5\times {\mathrm{79}}^1\times {\mathrm{4561}}^1$

素因数の和:4669

約数の個数: 72

約数和(自身を含む): 9978736320

約数和(自身を除く): 5474748820

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, 4561, 6250, 7900, 9122, 9875, 12500, 18244, 19750, 22805, 39500, 45610, 49375, 91220, 98750, 114025, 197500, 228050, 246875, 360319, 456100, 493750, 570125, 720638, 987500, 1140250, 1441276, 1801595, 2280500, 2850625, 3603190, 5701250, 7206380, 9007975, 11402500, 14253125, 18015950, 28506250, 36031900, 45039875, 57012500, 90079750, 180159500, 225199375, 450398750, 900797500, 1125996875, 2251993750, 4503987500]

約数ペア:

[(1, 4503987500), (2, 2251993750), (4, 1125996875), (5, 900797500), (10, 450398750), (20, 225199375), (25, 180159500), (50, 90079750), (79, 57012500), (100, 45039875), (125, 36031900), (158, 28506250), (250, 18015950), (316, 14253125), (395, 11402500), (500, 9007975), (625, 7206380), (790, 5701250), (1250, 3603190), (1580, 2850625), (1975, 2280500), (2500, 1801595), (3125, 1441276), (3950, 1140250), (4561, 987500), (6250, 720638), (7900, 570125), (9122, 493750), (9875, 456100), (12500, 360319), (18244, 246875), (19750, 228050), (22805, 197500), (39500, 114025), (45610, 98750), (49375, 91220)]