13357520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 34765632

約数和(自身を除く): 21408112

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 353, 430, 440, 473, 688, 706, 860, 880, 946, 1412, 1720, 1765, 1892, 2365, 2824, 3440, 3530, 3784, 3883, 4730, 5648, 7060, 7568, 7766, 9460, 14120, 15179, 15532, 18920, 19415, 28240, 30358, 31064, 37840, 38830, 60716, 62128, 75895, 77660, 121432, 151790, 155320, 166969, 242864, 303580, 310640, 333938, 607160, 667876, 834845, 1214320, 1335752, 1669690, 2671504, 3339380, 6678760, 13357520]

約数ペア:

[(1, 13357520), (2, 6678760), (4, 3339380), (5, 2671504), (8, 1669690), (10, 1335752), (11, 1214320), (16, 834845), (20, 667876), (22, 607160), (40, 333938), (43, 310640), (44, 303580), (55, 242864), (80, 166969), (86, 155320), (88, 151790), (110, 121432), (172, 77660), (176, 75895), (215, 62128), (220, 60716), (344, 38830), (353, 37840), (430, 31064), (440, 30358), (473, 28240), (688, 19415), (706, 18920), (860, 15532), (880, 15179), (946, 14120), (1412, 9460), (1720, 7766), (1765, 7568), (1892, 7060), (2365, 5648), (2824, 4730), (3440, 3883), (3530, 3784)]