1034789860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1\times {\mathrm{2003}}^1$

素因数の和:4012

約数の個数: 48

約数和(自身を含む): 2342563776

約数和(自身を除く): 1307773916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1987, 2003, 3974, 4006, 7948, 8012, 9935, 10015, 19870, 20030, 25831, 26039, 39740, 40060, 51662, 52078, 103324, 104156, 129155, 130195, 258310, 260390, 516620, 520780, 3979961, 7959922, 15919844, 19899805, 39799610, 51739493, 79599220, 103478986, 206957972, 258697465, 517394930, 1034789860]

約数ペア:

[(1, 1034789860), (2, 517394930), (4, 258697465), (5, 206957972), (10, 103478986), (13, 79599220), (20, 51739493), (26, 39799610), (52, 19899805), (65, 15919844), (130, 7959922), (260, 3979961), (1987, 520780), (2003, 516620), (3974, 260390), (4006, 258310), (7948, 130195), (8012, 129155), (9935, 104156), (10015, 103324), (19870, 52078), (20030, 51662), (25831, 40060), (26039, 39740)]