85863440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82561}}^1$

素因数の和:82587

約数の個数: 40

約数和(自身を含む): 214991448

約数和(自身を除く): 129128008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 82561, 165122, 330244, 412805, 660488, 825610, 1073293, 1320976, 1651220, 2146586, 3302440, 4293172, 5366465, 6604880, 8586344, 10732930, 17172688, 21465860, 42931720, 85863440]

約数ペア:

[(1, 85863440), (2, 42931720), (4, 21465860), (5, 17172688), (8, 10732930), (10, 8586344), (13, 6604880), (16, 5366465), (20, 4293172), (26, 3302440), (40, 2146586), (52, 1651220), (65, 1320976), (80, 1073293), (104, 825610), (130, 660488), (208, 412805), (260, 330244), (520, 165122), (1040, 82561)]