40013872

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:565

約数の個数: 40

約数和(自身を含む): 80235936

約数和(自身を除く): 40222064

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 257, 263, 296, 514, 526, 592, 1028, 1052, 2056, 2104, 4112, 4208, 9509, 9731, 19018, 19462, 38036, 38924, 67591, 76072, 77848, 135182, 152144, 155696, 270364, 540728, 1081456, 2500867, 5001734, 10003468, 20006936, 40013872]

約数ペア:

[(1, 40013872), (2, 20006936), (4, 10003468), (8, 5001734), (16, 2500867), (37, 1081456), (74, 540728), (148, 270364), (257, 155696), (263, 152144), (296, 135182), (514, 77848), (526, 76072), (592, 67591), (1028, 38924), (1052, 38036), (2056, 19462), (2104, 19018), (4112, 9731), (4208, 9509)]