2008120760

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{237929}}^1$

素因数の和:238151

約数の個数: 32

約数和(自身を含む): 4539704400

約数和(自身を除く): 2531583640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 237929, 475858, 951716, 1189645, 1903432, 2379290, 4758580, 9517160, 50203019, 100406038, 200812076, 251015095, 401624152, 502030190, 1004060380, 2008120760]

約数ペア:

[(1, 2008120760), (2, 1004060380), (4, 502030190), (5, 401624152), (8, 251015095), (10, 200812076), (20, 100406038), (40, 50203019), (211, 9517160), (422, 4758580), (844, 2379290), (1055, 1903432), (1688, 1189645), (2110, 951716), (4220, 475858), (8440, 237929)]