3985280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 10281600

約数和(自身を除く): 6296320

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, 479, 520, 640, 832, 958, 1040, 1664, 1916, 2080, 2395, 3832, 4160, 4790, 6227, 7664, 8320, 9580, 12454, 15328, 19160, 24908, 30656, 31135, 38320, 49816, 61312, 62270, 76640, 99632, 124540, 153280, 199264, 249080, 306560, 398528, 498160, 797056, 996320, 1992640, 3985280]

約数ペア:

[(1, 3985280), (2, 1992640), (4, 996320), (5, 797056), (8, 498160), (10, 398528), (13, 306560), (16, 249080), (20, 199264), (26, 153280), (32, 124540), (40, 99632), (52, 76640), (64, 62270), (65, 61312), (80, 49816), (104, 38320), (128, 31135), (130, 30656), (160, 24908), (208, 19160), (260, 15328), (320, 12454), (416, 9580), (479, 8320), (520, 7664), (640, 6227), (832, 4790), (958, 4160), (1040, 3832), (1664, 2395), (1916, 2080)]