13539560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 32140800

約数和(自身を除く): 18601240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 179, 244, 248, 305, 310, 358, 488, 610, 620, 716, 895, 1220, 1240, 1432, 1790, 1891, 2440, 3580, 3782, 5549, 7160, 7564, 9455, 10919, 11098, 15128, 18910, 21838, 22196, 27745, 37820, 43676, 44392, 54595, 55490, 75640, 87352, 109190, 110980, 218380, 221960, 338489, 436760, 676978, 1353956, 1692445, 2707912, 3384890, 6769780, 13539560]

約数ペア:

[(1, 13539560), (2, 6769780), (4, 3384890), (5, 2707912), (8, 1692445), (10, 1353956), (20, 676978), (31, 436760), (40, 338489), (61, 221960), (62, 218380), (122, 110980), (124, 109190), (155, 87352), (179, 75640), (244, 55490), (248, 54595), (305, 44392), (310, 43676), (358, 37820), (488, 27745), (610, 22196), (620, 21838), (716, 18910), (895, 15128), (1220, 11098), (1240, 10919), (1432, 9455), (1790, 7564), (1891, 7160), (2440, 5549), (3580, 3782)]