80764772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 158505984

約数和(自身を除く): 77741212

約数列:

[1, 2, 4, 11, 22, 44, 71, 103, 142, 206, 251, 284, 412, 502, 781, 1004, 1133, 1562, 2266, 2761, 3124, 4532, 5522, 7313, 11044, 14626, 17821, 25853, 29252, 35642, 51706, 71284, 80443, 103412, 160886, 196031, 284383, 321772, 392062, 568766, 784124, 1137532, 1835563, 3671126, 7342252, 20191193, 40382386, 80764772]

約数ペア:

[(1, 80764772), (2, 40382386), (4, 20191193), (11, 7342252), (22, 3671126), (44, 1835563), (71, 1137532), (103, 784124), (142, 568766), (206, 392062), (251, 321772), (284, 284383), (412, 196031), (502, 160886), (781, 103412), (1004, 80443), (1133, 71284), (1562, 51706), (2266, 35642), (2761, 29252), (3124, 25853), (4532, 17821), (5522, 14626), (7313, 11044)]