864069440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207709}}^1$

素因数の和:207739

約数の個数: 56

約数和(自身を含む): 2215850280

約数和(自身を除く): 1351780840

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, 520, 832, 1040, 2080, 4160, 207709, 415418, 830836, 1038545, 1661672, 2077090, 2700217, 3323344, 4154180, 5400434, 6646688, 8308360, 10800868, 13293376, 13501085, 16616720, 21601736, 27002170, 33233440, 43203472, 54004340, 66466880, 86406944, 108008680, 172813888, 216017360, 432034720, 864069440]

約数ペア:

[(1, 864069440), (2, 432034720), (4, 216017360), (5, 172813888), (8, 108008680), (10, 86406944), (13, 66466880), (16, 54004340), (20, 43203472), (26, 33233440), (32, 27002170), (40, 21601736), (52, 16616720), (64, 13501085), (65, 13293376), (80, 10800868), (104, 8308360), (130, 6646688), (160, 5400434), (208, 4154180), (260, 3323344), (320, 2700217), (416, 2077090), (520, 1661672), (832, 1038545), (1040, 830836), (2080, 415418), (4160, 207709)]