85105072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{661}}^1$

素因数の和:1301

約数の個数: 40

約数和(自身を含む): 178130960

約数和(自身を除く): 93025888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 619, 661, 1238, 1322, 2476, 2644, 4952, 5288, 8047, 8593, 9904, 10576, 16094, 17186, 32188, 34372, 64376, 68744, 128752, 137488, 409159, 818318, 1636636, 3273272, 5319067, 6546544, 10638134, 21276268, 42552536, 85105072]

約数ペア:

[(1, 85105072), (2, 42552536), (4, 21276268), (8, 10638134), (13, 6546544), (16, 5319067), (26, 3273272), (52, 1636636), (104, 818318), (208, 409159), (619, 137488), (661, 128752), (1238, 68744), (1322, 64376), (2476, 34372), (2644, 32188), (4952, 17186), (5288, 16094), (8047, 10576), (8593, 9904)]