25974064

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2057

約数の個数: 40

約数和(自身を含む): 54232640

約数和(自身を除く): 28258576

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 1987, 3268, 3974, 6536, 7948, 13072, 15896, 31792, 37753, 75506, 85441, 151012, 170882, 302024, 341764, 604048, 683528, 1367056, 1623379, 3246758, 6493516, 12987032, 25974064]

約数ペア:

[(1, 25974064), (2, 12987032), (4, 6493516), (8, 3246758), (16, 1623379), (19, 1367056), (38, 683528), (43, 604048), (76, 341764), (86, 302024), (152, 170882), (172, 151012), (304, 85441), (344, 75506), (688, 37753), (817, 31792), (1634, 15896), (1987, 13072), (3268, 7948), (3974, 6536)]