22688900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 54829824

約数和(自身を除く): 32140924

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 563, 620, 650, 775, 806, 1126, 1300, 1550, 1612, 2015, 2252, 2815, 3100, 4030, 5630, 7319, 8060, 10075, 11260, 14075, 14638, 17453, 20150, 28150, 29276, 34906, 36595, 40300, 56300, 69812, 73190, 87265, 146380, 174530, 182975, 226889, 349060, 365950, 436325, 453778, 731900, 872650, 907556, 1134445, 1745300, 2268890, 4537780, 5672225, 11344450, 22688900]

約数ペア:

[(1, 22688900), (2, 11344450), (4, 5672225), (5, 4537780), (10, 2268890), (13, 1745300), (20, 1134445), (25, 907556), (26, 872650), (31, 731900), (50, 453778), (52, 436325), (62, 365950), (65, 349060), (100, 226889), (124, 182975), (130, 174530), (155, 146380), (260, 87265), (310, 73190), (325, 69812), (403, 56300), (563, 40300), (620, 36595), (650, 34906), (775, 29276), (806, 28150), (1126, 20150), (1300, 17453), (1550, 14638), (1612, 14075), (2015, 11260), (2252, 10075), (2815, 8060), (3100, 7319), (4030, 5630)]