13684640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 72

約数和(自身を含む): 33781860

約数和(自身を除く): 20097220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 89, 124, 155, 160, 178, 248, 310, 356, 445, 496, 620, 712, 890, 961, 992, 1240, 1424, 1780, 1922, 2480, 2759, 2848, 3560, 3844, 4805, 4960, 5518, 7120, 7688, 9610, 11036, 13795, 14240, 15376, 19220, 22072, 27590, 30752, 38440, 44144, 55180, 76880, 85529, 88288, 110360, 153760, 171058, 220720, 342116, 427645, 441440, 684232, 855290, 1368464, 1710580, 2736928, 3421160, 6842320, 13684640]

約数ペア:

[(1, 13684640), (2, 6842320), (4, 3421160), (5, 2736928), (8, 1710580), (10, 1368464), (16, 855290), (20, 684232), (31, 441440), (32, 427645), (40, 342116), (62, 220720), (80, 171058), (89, 153760), (124, 110360), (155, 88288), (160, 85529), (178, 76880), (248, 55180), (310, 44144), (356, 38440), (445, 30752), (496, 27590), (620, 22072), (712, 19220), (890, 15376), (961, 14240), (992, 13795), (1240, 11036), (1424, 9610), (1780, 7688), (1922, 7120), (2480, 5518), (2759, 4960), (2848, 4805), (3560, 3844)]