2043860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1123}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 5287296

約数和(自身を除く): 3243436

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1123, 1820, 2246, 4492, 5615, 7861, 11230, 14599, 15722, 22460, 29198, 31444, 39305, 58396, 72995, 78610, 102193, 145990, 157220, 204386, 291980, 408772, 510965, 1021930, 2043860]

約数ペア:

[(1, 2043860), (2, 1021930), (4, 510965), (5, 408772), (7, 291980), (10, 204386), (13, 157220), (14, 145990), (20, 102193), (26, 78610), (28, 72995), (35, 58396), (52, 39305), (65, 31444), (70, 29198), (91, 22460), (130, 15722), (140, 14599), (182, 11230), (260, 7861), (364, 5615), (455, 4492), (910, 2246), (1123, 1820)]