25463860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 55048896

約数和(自身を除く): 29585036

約数列:

[1, 2, 4, 5, 10, 20, 73, 107, 146, 163, 214, 292, 326, 365, 428, 535, 652, 730, 815, 1070, 1460, 1630, 2140, 3260, 7811, 11899, 15622, 17441, 23798, 31244, 34882, 39055, 47596, 59495, 69764, 78110, 87205, 118990, 156220, 174410, 237980, 348820, 1273193, 2546386, 5092772, 6365965, 12731930, 25463860]

約数ペア:

[(1, 25463860), (2, 12731930), (4, 6365965), (5, 5092772), (10, 2546386), (20, 1273193), (73, 348820), (107, 237980), (146, 174410), (163, 156220), (214, 118990), (292, 87205), (326, 78110), (365, 69764), (428, 59495), (535, 47596), (652, 39055), (730, 34882), (815, 31244), (1070, 23798), (1460, 17441), (1630, 15622), (2140, 11899), (3260, 7811)]