13708520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 35579520

約数和(自身を除く): 21871000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 283, 346, 566, 692, 865, 1132, 1211, 1384, 1415, 1730, 1981, 2264, 2422, 2830, 3460, 3962, 4844, 5660, 6055, 6920, 7924, 9688, 9905, 11320, 12110, 15848, 19810, 24220, 39620, 48440, 48959, 79240, 97918, 195836, 244795, 342713, 391672, 489590, 685426, 979180, 1370852, 1713565, 1958360, 2741704, 3427130, 6854260, 13708520]

約数ペア:

[(1, 13708520), (2, 6854260), (4, 3427130), (5, 2741704), (7, 1958360), (8, 1713565), (10, 1370852), (14, 979180), (20, 685426), (28, 489590), (35, 391672), (40, 342713), (56, 244795), (70, 195836), (140, 97918), (173, 79240), (280, 48959), (283, 48440), (346, 39620), (566, 24220), (692, 19810), (865, 15848), (1132, 12110), (1211, 11320), (1384, 9905), (1415, 9688), (1730, 7924), (1981, 6920), (2264, 6055), (2422, 5660), (2830, 4844), (3460, 3962)]