25581296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6473}}^1$

素因数の和:6513

約数の個数: 40

約数和(自身を含む): 56194320

約数和(自身を除く): 30613024

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 6473, 12946, 25892, 51784, 84149, 103568, 122987, 168298, 245974, 336596, 491948, 673192, 983896, 1346384, 1598831, 1967792, 3197662, 6395324, 12790648, 25581296]

約数ペア:

[(1, 25581296), (2, 12790648), (4, 6395324), (8, 3197662), (13, 1967792), (16, 1598831), (19, 1346384), (26, 983896), (38, 673192), (52, 491948), (76, 336596), (104, 245974), (152, 168298), (208, 122987), (247, 103568), (304, 84149), (494, 51784), (988, 25892), (1976, 12946), (3952, 6473)]