1305816880

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{161611}}^1$

素因数の和:161725

約数の個数: 40

約数和(自身を含む): 3066102864

約数和(自身を除く): 1760285984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 161611, 323222, 646444, 808055, 1292888, 1616110, 2585776, 3232220, 6464440, 12928880, 16322711, 32645422, 65290844, 81613555, 130581688, 163227110, 261163376, 326454220, 652908440, 1305816880]

約数ペア:

[(1, 1305816880), (2, 652908440), (4, 326454220), (5, 261163376), (8, 163227110), (10, 130581688), (16, 81613555), (20, 65290844), (40, 32645422), (80, 16322711), (101, 12928880), (202, 6464440), (404, 3232220), (505, 2585776), (808, 1616110), (1010, 1292888), (1616, 808055), (2020, 646444), (4040, 323222), (8080, 161611)]