25182352

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 60

約数和(自身を含む): 54006960

約数和(自身を除く): 28824608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 139, 169, 208, 268, 278, 338, 536, 556, 676, 871, 1072, 1112, 1352, 1742, 1807, 2224, 2704, 3484, 3614, 6968, 7228, 9313, 11323, 13936, 14456, 18626, 22646, 23491, 28912, 37252, 45292, 46982, 74504, 90584, 93964, 121069, 149008, 181168, 187928, 242138, 375856, 484276, 968552, 1573897, 1937104, 3147794, 6295588, 12591176, 25182352]

約数ペア:

[(1, 25182352), (2, 12591176), (4, 6295588), (8, 3147794), (13, 1937104), (16, 1573897), (26, 968552), (52, 484276), (67, 375856), (104, 242138), (134, 187928), (139, 181168), (169, 149008), (208, 121069), (268, 93964), (278, 90584), (338, 74504), (536, 46982), (556, 45292), (676, 37252), (871, 28912), (1072, 23491), (1112, 22646), (1352, 18626), (1742, 14456), (1807, 13936), (2224, 11323), (2704, 9313), (3484, 7228), (3614, 6968)]