20164874600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7755721}}^1$

素因数の和:7755750

約数の個数: 48

約数和(自身を含む): 50489750220

約数和(自身を除く): 30324875620

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 7755721, 15511442, 31022884, 38778605, 62045768, 77557210, 100824373, 155114420, 193893025, 201648746, 310228840, 387786050, 403297492, 504121865, 775572100, 806594984, 1008243730, 1551144200, 2016487460, 2520609325, 4032974920, 5041218650, 10082437300, 20164874600]

約数ペア:

[(1, 20164874600), (2, 10082437300), (4, 5041218650), (5, 4032974920), (8, 2520609325), (10, 2016487460), (13, 1551144200), (20, 1008243730), (25, 806594984), (26, 775572100), (40, 504121865), (50, 403297492), (52, 387786050), (65, 310228840), (100, 201648746), (104, 193893025), (130, 155114420), (200, 100824373), (260, 77557210), (325, 62045768), (520, 38778605), (650, 31022884), (1300, 15511442), (2600, 7755721)]