40406548

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{8539}}^1$

素因数の和:8576

約数の個数: 36

約数和(自身を含む): 87517920

約数和(自身を除く): 47111372

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4732, 8539, 17078, 34156, 59773, 111007, 119546, 222014, 239092, 444028, 777049, 1443091, 1554098, 2886182, 3108196, 5772364, 10101637, 20203274, 40406548]

約数ペア:

[(1, 40406548), (2, 20203274), (4, 10101637), (7, 5772364), (13, 3108196), (14, 2886182), (26, 1554098), (28, 1443091), (52, 777049), (91, 444028), (169, 239092), (182, 222014), (338, 119546), (364, 111007), (676, 59773), (1183, 34156), (2366, 17078), (4732, 8539)]