40128712

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 82877040

約数和(自身を除く): 42748328

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 169, 268, 338, 443, 536, 676, 871, 886, 1352, 1742, 1772, 3484, 3544, 5759, 6968, 11323, 11518, 22646, 23036, 29681, 45292, 46072, 59362, 74867, 90584, 118724, 149734, 237448, 299468, 385853, 598936, 771706, 1543412, 3086824, 5016089, 10032178, 20064356, 40128712]

約数ペア:

[(1, 40128712), (2, 20064356), (4, 10032178), (8, 5016089), (13, 3086824), (26, 1543412), (52, 771706), (67, 598936), (104, 385853), (134, 299468), (169, 237448), (268, 149734), (338, 118724), (443, 90584), (536, 74867), (676, 59362), (871, 46072), (886, 45292), (1352, 29681), (1742, 23036), (1772, 22646), (3484, 11518), (3544, 11323), (5759, 6968)]