25660336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 58051840

約数和(自身を除く): 32391504

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 43, 52, 76, 86, 104, 151, 152, 172, 208, 247, 302, 304, 344, 494, 559, 604, 688, 817, 988, 1118, 1208, 1634, 1963, 1976, 2236, 2416, 2869, 3268, 3926, 3952, 4472, 5738, 6493, 6536, 7852, 8944, 10621, 11476, 12986, 13072, 15704, 21242, 22952, 25972, 31408, 37297, 42484, 45904, 51944, 74594, 84409, 84968, 103888, 123367, 149188, 168818, 169936, 246734, 298376, 337636, 493468, 596752, 675272, 986936, 1350544, 1603771, 1973872, 3207542, 6415084, 12830168, 25660336]

約数ペア:

[(1, 25660336), (2, 12830168), (4, 6415084), (8, 3207542), (13, 1973872), (16, 1603771), (19, 1350544), (26, 986936), (38, 675272), (43, 596752), (52, 493468), (76, 337636), (86, 298376), (104, 246734), (151, 169936), (152, 168818), (172, 149188), (208, 123367), (247, 103888), (302, 84968), (304, 84409), (344, 74594), (494, 51944), (559, 45904), (604, 42484), (688, 37297), (817, 31408), (988, 25972), (1118, 22952), (1208, 21242), (1634, 15704), (1963, 13072), (1976, 12986), (2236, 11476), (2416, 10621), (2869, 8944), (3268, 7852), (3926, 6536), (3952, 6493), (4472, 5738)]