26778560

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1249}}^1$

素因数の和:1333

約数の個数: 56

約数和(自身を含む): 64770000

約数和(自身を除く): 37991440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 1072, 1249, 1340, 2144, 2498, 2680, 4288, 4996, 5360, 6245, 9992, 10720, 12490, 19984, 21440, 24980, 39968, 49960, 79936, 83683, 99920, 167366, 199840, 334732, 399680, 418415, 669464, 836830, 1338928, 1673660, 2677856, 3347320, 5355712, 6694640, 13389280, 26778560]

約数ペア:

[(1, 26778560), (2, 13389280), (4, 6694640), (5, 5355712), (8, 3347320), (10, 2677856), (16, 1673660), (20, 1338928), (32, 836830), (40, 669464), (64, 418415), (67, 399680), (80, 334732), (134, 199840), (160, 167366), (268, 99920), (320, 83683), (335, 79936), (536, 49960), (670, 39968), (1072, 24980), (1249, 21440), (1340, 19984), (2144, 12490), (2498, 10720), (2680, 9992), (4288, 6245), (4996, 5360)]