26003840

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1051

約数の個数: 64

約数和(自身を含む): 63745920

約数和(自身を除く): 37742080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 991, 1312, 1640, 1982, 2624, 3280, 3964, 4955, 5248, 6560, 7928, 9910, 13120, 15856, 19820, 26240, 31712, 39640, 40631, 63424, 79280, 81262, 126848, 158560, 162524, 203155, 317120, 325048, 406310, 634240, 650096, 812620, 1300192, 1625240, 2600384, 3250480, 5200768, 6500960, 13001920, 26003840]

約数ペア:

[(1, 26003840), (2, 13001920), (4, 6500960), (5, 5200768), (8, 3250480), (10, 2600384), (16, 1625240), (20, 1300192), (32, 812620), (40, 650096), (41, 634240), (64, 406310), (80, 325048), (82, 317120), (128, 203155), (160, 162524), (164, 158560), (205, 126848), (320, 81262), (328, 79280), (410, 63424), (640, 40631), (656, 39640), (820, 31712), (991, 26240), (1312, 19820), (1640, 15856), (1982, 13120), (2624, 9910), (3280, 7928), (3964, 6560), (4955, 5248)]