12726880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4679}}^1$

素因数の和:4711

約数の個数: 48

約数和(自身を含む): 31842720

約数和(自身を除く): 19115840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 4679, 9358, 18716, 23395, 37432, 46790, 74864, 79543, 93580, 149728, 159086, 187160, 318172, 374320, 397715, 636344, 748640, 795430, 1272688, 1590860, 2545376, 3181720, 6363440, 12726880]

約数ペア:

[(1, 12726880), (2, 6363440), (4, 3181720), (5, 2545376), (8, 1590860), (10, 1272688), (16, 795430), (17, 748640), (20, 636344), (32, 397715), (34, 374320), (40, 318172), (68, 187160), (80, 159086), (85, 149728), (136, 93580), (160, 79543), (170, 74864), (272, 46790), (340, 37432), (544, 23395), (680, 18716), (1360, 9358), (2720, 4679)]