27813760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3343}}^1$

素因数の和:3375

約数の個数: 64

約数和(自身を含む): 71628480

約数和(自身を除く): 43814720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 3343, 4160, 6686, 8320, 13372, 16715, 26744, 33430, 43459, 53488, 66860, 86918, 106976, 133720, 173836, 213952, 217295, 267440, 347672, 427904, 434590, 534880, 695344, 869180, 1069760, 1390688, 1738360, 2139520, 2781376, 3476720, 5562752, 6953440, 13906880, 27813760]

約数ペア:

[(1, 27813760), (2, 13906880), (4, 6953440), (5, 5562752), (8, 3476720), (10, 2781376), (13, 2139520), (16, 1738360), (20, 1390688), (26, 1069760), (32, 869180), (40, 695344), (52, 534880), (64, 434590), (65, 427904), (80, 347672), (104, 267440), (128, 217295), (130, 213952), (160, 173836), (208, 133720), (260, 106976), (320, 86918), (416, 66860), (520, 53488), (640, 43459), (832, 33430), (1040, 26744), (1664, 16715), (2080, 13372), (3343, 8320), (4160, 6686)]