51213800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23279}}^1$

素因数の和:23306

約数の個数: 48

約数和(自身を含む): 129902400

約数和(自身を除く): 78688600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 23279, 46558, 93116, 116395, 186232, 232790, 256069, 465580, 512138, 581975, 931160, 1024276, 1163950, 1280345, 2048552, 2327900, 2560690, 4655800, 5121380, 6401725, 10242760, 12803450, 25606900, 51213800]

約数ペア:

[(1, 51213800), (2, 25606900), (4, 12803450), (5, 10242760), (8, 6401725), (10, 5121380), (11, 4655800), (20, 2560690), (22, 2327900), (25, 2048552), (40, 1280345), (44, 1163950), (50, 1024276), (55, 931160), (88, 581975), (100, 512138), (110, 465580), (200, 256069), (220, 232790), (275, 186232), (440, 116395), (550, 93116), (1100, 46558), (2200, 23279)]