1992640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:509

約数の個数: 56

約数和(自身を含む): 5120640

約数和(自身を除く): 3128000

約数列:

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

約数ペア:

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